Spin Half Isotropic.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from KitaevHoneycomb import run_atomic, save_data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "\n",
    "import matplotlib.pyplot as plt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "from tenpy.networks.mps import TransferMatrix"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "# path\n",
    "from pathlib import Path"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "Jx = 1.0\n",
    "Jy = 1.0\n",
    "Jz = 1.0\n",
    "\n",
    "# isotropic\n",
    "J = 1.0\n",
    "\n",
    "# S = 1.5\n",
    "\n",
    "Lx = 2\n",
    "Ly = 3\n",
    "shift = 0\n",
    "bc = 'periodic'\n",
    "bc_MPS = 'infinite'\n",
    "\n",
    "chi_list = [2**i for i in range(2, 10)]\n",
    "\n",
    "result_dict = {}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(0.0, 0.0, 1.0, 2)\n",
      "(0.0, 0.0, 1.0, 4)\n",
      "(0.0, 0.0, 1.0, 8)\n",
      "(0.0, 0.0, 1.0, 16)\n",
      "(0.0, 0.0, 1.0, 32)\n",
      "(0.0, 0.0, 1.0, 64)\n",
      "(0.0, 0.0, 1.0, 128)\n",
      "(0.0, 0.0, 1.0, 256)\n",
      "(0.1, 0.1, 1.0, 2)\n",
      "(0.1, 0.1, 1.0, 4)\n",
      "(0.1, 0.1, 1.0, 8)\n",
      "(0.1, 0.1, 1.0, 16)\n",
      "(0.1, 0.1, 1.0, 32)\n",
      "(0.1, 0.1, 1.0, 64)\n",
      "(0.1, 0.1, 1.0, 128)\n"
     ]
    }
   ],
   "source": [
    "for key, element in result_dict.items():\n",
    "    Jx, Jy, Jz, chi = key\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "# some api for the file operation\n",
    "import h5py\n",
    "from tenpy.tools import hdf5_io\n",
    "import os.path\n",
    "\n",
    "# functools\n",
    "from functools import wraps\n",
    "\n",
    "# path\n",
    "from pathlib import Path\n",
    "\n",
    "def save_data(\n",
    "    result, \n",
    "    S,\n",
    "    Lx, \n",
    "    Ly, \n",
    "    chi,\n",
    "    Jx, \n",
    "    Jy, \n",
    "    Jz, \n",
    "    prefix='data/', \n",
    "):\n",
    "    file_name = full_path(chi, Jx, Jy, Jz, L, prefix=prefix, suffix='.h5')\n",
    "    with h5py.File(file_name, 'w') as f:\n",
    "        hdf5_io.save_to_hdf5(f, result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1716795305439044, S = nan, norm_err = 2.7e-06\n",
      "Current memory usage 248.4 MB, time elapsed: 4.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.2164e-02, max_E_trunc = 2.5506e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1716746683844441, S = nan, norm_err = 4.4e-07\n",
      "Current memory usage 248.4 MB, time elapsed: 8.7 s\n",
      "Delta E = 4.8622e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.8788e-02, max_E_trunc = 2.3846e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1716716047538919, S = 0.5096392866351779, norm_err = 1.1e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 10.9 s\n",
      "Delta E = 3.0636e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.4394e-02, max_E_trunc = 2.3847e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1716701153310870, S = 0.5096440757303093, norm_err = 1.4e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 13.1 s\n",
      "Delta E = 1.4894e-07, Delta S = 4.7891e-07 (per sweep)\n",
      "max_trunc_err = 1.4394e-02, max_E_trunc = 2.3848e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000004+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1831283986029989, S = nan, norm_err = 2.9e-06\n",
      "Current memory usage 248.4 MB, time elapsed: 4.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.4301e-03, max_E_trunc = 4.5376e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1831329707950905, S = nan, norm_err = 4.3e-07\n",
      "Current memory usage 248.4 MB, time elapsed: 10.0 s\n",
      "Delta E = -4.5722e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.6053e-03, max_E_trunc = 4.6077e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1832335099588545, S = 0.8695793135987048, norm_err = 4.3e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 12.8 s\n",
      "Delta E = -1.0054e-05, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.7045e-03, max_E_trunc = 4.5438e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1852462209930295, S = 0.8745219874002735, norm_err = 1.9e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 15.7 s\n",
      "Delta E = -2.0127e-04, Delta S = 4.9427e-04 (per sweep)\n",
      "max_trunc_err = 4.4959e-03, max_E_trunc = 7.2163e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1854707882891660, S = 0.8669140976521476, norm_err = 8.4e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 18.5 s\n",
      "Delta E = -2.2457e-05, Delta S = -7.6079e-04 (per sweep)\n",
      "max_trunc_err = 5.4041e-03, max_E_trunc = 8.0405e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1856130163324347, S = 0.8578246009853708, norm_err = 1.3e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 21.3 s\n",
      "Delta E = -1.4223e-05, Delta S = -9.0895e-04 (per sweep)\n",
      "max_trunc_err = 4.3666e-03, max_E_trunc = 7.0025e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1853753837489407, S = 0.8763178622344734, norm_err = 7.9e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 24.1 s\n",
      "Delta E = 2.3763e-05, Delta S = 1.8493e-03 (per sweep)\n",
      "max_trunc_err = 5.1997e-03, max_E_trunc = 7.8605e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 3132\n",
      "Energy = -0.1854296720863715, S = 0.8778733725961727, norm_err = 4.6e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 27.0 s\n",
      "Delta E = -5.4288e-06, Delta S = 1.5555e-04 (per sweep)\n",
      "max_trunc_err = 6.0195e-03, max_E_trunc = 8.5378e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 90, age = 3492\n",
      "Energy = -0.1853940267291657, S = 0.8748685128666334, norm_err = 7.7e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 29.8 s\n",
      "Delta E = 3.5645e-06, Delta S = -3.0049e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 100, age = 3852\n",
      "Energy = -0.1854294685179430, S = 0.8779006193336559, norm_err = 4.6e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 32.6 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 110, age = 4212\n",
      "Energy = -0.1853940267310274, S = 0.8748685243294193, norm_err = 7.7e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 35.4 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 120, age = 4572\n",
      "Energy = -0.1854294685313391, S = 0.8779006168807926, norm_err = 4.7e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 38.2 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 130, age = 4932\n",
      "Energy = -0.1853940267287252, S = 0.8748685248926410, norm_err = 7.7e-14\n",
      "Current memory usage 248.4 MB, time elapsed: 41.0 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 140, age = 5292\n",
      "Energy = -0.1854294685145609, S = 0.8779006189511535, norm_err = 4.8e-15\n",
      "Current memory usage 248.4 MB, time elapsed: 43.8 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 150, age = 5652\n",
      "Energy = -0.1853940267275599, S = 0.8748685250115039, norm_err = 7.7e-14\n",
      "Current memory usage 248.8 MB, time elapsed: 46.6 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 160, age = 6012\n",
      "Energy = -0.1854294685315191, S = 0.8779006171017408, norm_err = 4.7e-15\n",
      "Current memory usage 248.8 MB, time elapsed: 49.4 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 170, age = 6372\n",
      "Energy = -0.1853940267280526, S = 0.8748685244533974, norm_err = 7.7e-14\n",
      "Current memory usage 249.1 MB, time elapsed: 52.2 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 180, age = 6732\n",
      "Energy = -0.1854294685236179, S = 0.8779006166681995, norm_err = 4.6e-15\n",
      "Current memory usage 249.1 MB, time elapsed: 54.9 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 190, age = 7092\n",
      "Energy = -0.1853940267407002, S = 0.8748685234703921, norm_err = 7.7e-14\n",
      "Current memory usage 249.3 MB, time elapsed: 57.7 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 200, age = 7452\n",
      "Energy = -0.1854294685124008, S = 0.8779006190780398, norm_err = 4.6e-15\n",
      "Current memory usage 249.3 MB, time elapsed: 60.5 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 200 sweeps.\n",
      "total size = 7452, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999976+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1919145391401909, S = nan, norm_err = 2.4e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 11.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9995e-03, max_E_trunc = 1.3930e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1919205786096268, S = nan, norm_err = 3.9e-07\n",
      "Current memory usage 249.3 MB, time elapsed: 16.0 s\n",
      "Delta E = -6.0395e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9830e-03, max_E_trunc = 1.3846e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1919191191739813, S = 1.1423604629396167, norm_err = 2.2e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 18.8 s\n",
      "Delta E = 1.4594e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.9842e-04, max_E_trunc = 1.1438e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1919162858563155, S = 1.1413709686593152, norm_err = 3.3e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 21.7 s\n",
      "Delta E = 2.8333e-07, Delta S = -9.8949e-05 (per sweep)\n",
      "max_trunc_err = 7.0998e-04, max_E_trunc = 1.1649e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999987+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1926829890545753, S = nan, norm_err = 2.1e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 16.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5189e-04, max_E_trunc = 5.7708e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1926912188848343, S = nan, norm_err = 3.3e-07\n",
      "Current memory usage 249.3 MB, time elapsed: 23.3 s\n",
      "Delta E = -8.2298e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.7434e-04, max_E_trunc = 5.1740e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1926913091981935, S = 1.4788461831322850, norm_err = 7.3e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 26.3 s\n",
      "Delta E = -9.0313e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.3812e-04, max_E_trunc = 5.2222e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1926912324148328, S = 1.4844015344168879, norm_err = 8.0e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 29.3 s\n",
      "Delta E = 7.6783e-09, Delta S = 5.5554e-04 (per sweep)\n",
      "max_trunc_err = 2.4675e-04, max_E_trunc = 5.3980e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1926914381171301, S = 1.4884798420946084, norm_err = 8.0e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 32.2 s\n",
      "Delta E = -2.0570e-08, Delta S = 4.0783e-04 (per sweep)\n",
      "max_trunc_err = 2.4892e-04, max_E_trunc = 5.4808e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1926913681776957, S = 1.4906406091605893, norm_err = 7.6e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 35.2 s\n",
      "Delta E = 6.9939e-09, Delta S = 2.1608e-04 (per sweep)\n",
      "max_trunc_err = 2.5066e-04, max_E_trunc = 5.5325e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1926913075281599, S = 1.4917605511943304, norm_err = 7.3e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 38.2 s\n",
      "Delta E = 6.0650e-09, Delta S = 1.1199e-04 (per sweep)\n",
      "max_trunc_err = 2.5149e-04, max_E_trunc = 5.5601e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 3132\n",
      "Energy = -0.1926912716091209, S = 1.4923942491311974, norm_err = 8.3e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 41.3 s\n",
      "Delta E = 3.5919e-09, Delta S = 6.3370e-05 (per sweep)\n",
      "max_trunc_err = 2.5212e-04, max_E_trunc = 5.5790e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 80 sweeps.\n",
      "total size = 3132, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000033+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1937792652348822, S = nan, norm_err = 1.1e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 18.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0226e-03, max_E_trunc = 1.4922e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1937815641227338, S = nan, norm_err = 1.8e-07\n",
      "Current memory usage 249.3 MB, time elapsed: 25.6 s\n",
      "Delta E = -2.2989e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0025e-03, max_E_trunc = 1.4697e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1937815615432387, S = 2.6394920266702346, norm_err = 4.9e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 30.2 s\n",
      "Delta E = 2.5795e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.0114e-04, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1937811387753404, S = 2.6415997627457761, norm_err = 7.3e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 35.0 s\n",
      "Delta E = 4.2277e-08, Delta S = 2.1077e-04 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1937811387789523, S = 2.6415997745299431, norm_err = 7.4e-10\n",
      "Current memory usage 249.3 MB, time elapsed: 39.7 s\n",
      "Delta E = -3.6119e-13, Delta S = 1.1784e-09 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2052, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [33, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999979+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [33, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1946346524869753, S = nan, norm_err = 3.6e-05\n",
      "Current memory usage 249.3 MB, time elapsed: 26.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5733e-05, max_E_trunc = 8.5158e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1946347870072316, S = nan, norm_err = 1.7e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 36.6 s\n",
      "Delta E = -1.3452e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5681e-05, max_E_trunc = 8.4680e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1946347891006989, S = 2.8586652573972575, norm_err = 1.3e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 43.2 s\n",
      "Delta E = -2.0935e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.2823e-05, max_E_trunc = 8.4697e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1946347428692666, S = 2.8590336735902735, norm_err = 1.0e-06\n",
      "Current memory usage 249.3 MB, time elapsed: 50.1 s\n",
      "Delta E = 4.6231e-09, Delta S = 3.6842e-05 (per sweep)\n",
      "max_trunc_err = 3.3098e-05, max_E_trunc = 8.5470e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 128\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000008+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947143713302128, S = nan, norm_err = 7.3e-05\n",
      "Current memory usage 290.5 MB, time elapsed: 60.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1819e-05, max_E_trunc = 1.5780e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947144839854751, S = nan, norm_err = 3.8e-05\n",
      "Current memory usage 290.5 MB, time elapsed: 88.7 s\n",
      "Delta E = -1.1266e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.2100e-05, max_E_trunc = 1.6448e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947144926666103, S = 3.0164064975599261, norm_err = 3.0e-05\n",
      "Current memory usage 290.5 MB, time elapsed: 106.4 s\n",
      "Delta E = -8.6811e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.0273e-06, max_E_trunc = 1.6428e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947144918926540, S = 3.0165298637770248, norm_err = 2.8e-05\n",
      "Current memory usage 290.5 MB, time elapsed: 124.3 s\n",
      "Delta E = 7.7396e-11, Delta S = 1.2337e-05 (per sweep)\n",
      "max_trunc_err = 6.0427e-06, max_E_trunc = 1.6511e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "norm_tol=1.00e-05 not reached, norm_err=2.84e-05\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1812, maximum chi = 256\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [191, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000089+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [191, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947276011227637, S = nan, norm_err = 6.7e-04\n",
      "Current memory usage 540.7 MB, time elapsed: 240.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.2165e-07, max_E_trunc = 1.2988e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947288942468551, S = nan, norm_err = 2.4e-04\n",
      "Current memory usage 540.7 MB, time elapsed: 347.8 s\n",
      "Delta E = -1.2931e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.7880e-06, max_E_trunc = 2.4865e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947289188176313, S = 3.1596170039491209, norm_err = 1.2e-04\n",
      "Current memory usage 540.7 MB, time elapsed: 411.2 s\n",
      "Delta E = -2.4571e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.0477e-06, max_E_trunc = 2.9064e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947289144273109, S = 3.1647811878115735, norm_err = 9.3e-05\n",
      "Current memory usage 540.7 MB, time elapsed: 472.3 s\n",
      "Delta E = 4.3903e-10, Delta S = 5.1642e-04 (per sweep)\n",
      "max_trunc_err = 1.1029e-06, max_E_trunc = 3.0520e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1947289094995526, S = 3.1652084361902815, norm_err = 1.3e-04\n",
      "Current memory usage 540.7 MB, time elapsed: 537.5 s\n",
      "Delta E = 4.9278e-10, Delta S = 4.2725e-05 (per sweep)\n",
      "max_trunc_err = 1.1182e-06, max_E_trunc = 3.0926e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "norm_tol=1.00e-05 not reached, norm_err=1.33e-04\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "DMRG: norm_tol 1.00e-05 not reached by updating the environment, current norm_err = 1.33e-05\n",
      "Call psi.canonical_form()\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2652, maximum chi = 512\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000093+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, chi)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "psi_new = [result['psi'] for result in result_dict.values()]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<tenpy.networks.mps.MPS at 0x7f6557862790>,\n",
       " <tenpy.networks.mps.MPS at 0x7f6557398790>,\n",
       " <tenpy.networks.mps.MPS at 0x7f65579c5890>,\n",
       " <tenpy.networks.mps.MPS at 0x7f65575704d0>,\n",
       " <tenpy.networks.mps.MPS at 0x7f65578a3990>,\n",
       " <tenpy.networks.mps.MPS at 0x7f6557398310>,\n",
       " <tenpy.networks.mps.MPS at 0x7f6557388e10>,\n",
       " <tenpy.networks.mps.MPS at 0x7f6557966e10>]"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "psi_new"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "psi_list = []\n",
    "energy_list = []\n",
    "entanglement_list = []\n",
    "correlation_list = []\n",
    "\n",
    "for key, value in result_dict.items():\n",
    "    psi = value['psi']\n",
    "    psi_list.append(psi.copy())\n",
    "    energy_list.append(value['energy'])\n",
    "    entanglement_list.append(np.mean(psi.entanglement_entropy()))\n",
    "    correlation_list.append(psi.correlation_length())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f6558a14a50>]"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, energy_list, 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f6558911950>]"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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V7d+3fc3Wa0l/Lukt1fv8WjHta5L+tZwKd1WzHl+UdL/tTxb3sb1J0k9LqK+rtoKt8Beqb2cpQb+2LelpSaci4vFti9Ju42Y9l76dyz5b3OJM8mHVzx7/QtK3y65nF/r7jOpnvk9KenurR0l/KOnfJf28eP5U2bVeYZ/Pq/7r54bqeyp/dakeJX272OYrku4uu/4u9fvPkpYlvVn8x31don7/TPXDB29KOlE8Diffxs16LnU789V/AEhiPx9yAQB0gEAHgCQIdABIgkAHgCQIdABIgkAHgCQIdABI4v8BKOrRY+VFkl8AAAAASUVORK5CYII=\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, entanglement_list, 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f6558813a90>]"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, correlation_list, 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f655789d7d0>]"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, [psi.correlation_length() for psi in psi_new], 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1.1006472745901517,\n",
       " 2.2104760109191073,\n",
       " 3.6947560051060524,\n",
       " 4.4897644017938365,\n",
       " 51.63083136138997,\n",
       " 320165852737.3519,\n",
       " 49.244473392570015]"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "correlation_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "psi_list.append(psi_new[-1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1576193113642694, S = nan, norm_err = 2.6e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 5.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5889e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [3, 4, 4, 4, 4, 4, 4, 4, 2, 2, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1570502157864624, S = nan, norm_err = 4.3e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 11.4 s\n",
      "Delta E = 5.6910e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5883e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [3, 4, 4, 4, 4, 4, 4, 4, 2, 2, 4, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1555935644295339, S = 0.3950087714439265, norm_err = 1.4e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 14.2 s\n",
      "Delta E = 1.4567e-04, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.8338e-02, max_E_trunc = 6.9255e-03\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1529023022186458, S = 0.3549215770785283, norm_err = 1.3e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 17.0 s\n",
      "Delta E = 2.6913e-04, Delta S = -4.0087e-03 (per sweep)\n",
      "max_trunc_err = 3.1853e-02, max_E_trunc = 4.2556e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2736\n",
      "Energy = -0.1555603591749879, S = 0.3316270917157276, norm_err = 1.0e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 19.8 s\n",
      "Delta E = -2.6581e-04, Delta S = -2.3294e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 3216\n",
      "Energy = -0.1529065887703638, S = 0.3671962735552223, norm_err = 1.1e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 22.9 s\n",
      "Delta E = 2.6538e-04, Delta S = 3.5569e-03 (per sweep)\n",
      "max_trunc_err = 3.1634e-02, max_E_trunc = 4.2283e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 3696\n",
      "Energy = -0.1508605224221213, S = 0.3531322243944507, norm_err = 1.7e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 26.2 s\n",
      "Delta E = 2.0461e-04, Delta S = -1.4064e-03 (per sweep)\n",
      "max_trunc_err = 3.1634e-02, max_E_trunc = 4.2283e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 2, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 4176\n",
      "Energy = -0.1528635171455939, S = 0.3596407946602078, norm_err = 1.2e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 29.6 s\n",
      "Delta E = -2.0030e-04, Delta S = 6.5086e-04 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 90, age = 4656\n",
      "Energy = -0.1507373900949673, S = 0.3400645533167028, norm_err = 1.5e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 32.7 s\n",
      "Delta E = 2.1261e-04, Delta S = -1.9576e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 100, age = 5136\n",
      "Energy = -0.1555589325928715, S = 0.4242299387689939, norm_err = 1.7e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 35.7 s\n",
      "Delta E = -4.8215e-04, Delta S = 8.4165e-03 (per sweep)\n",
      "max_trunc_err = 3.1630e-02, max_E_trunc = 4.2278e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 110, age = 5616\n",
      "Energy = -0.1507373900948714, S = 0.3526433618048018, norm_err = 1.2e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 38.7 s\n",
      "Delta E = 4.8215e-04, Delta S = -7.1587e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 3, 2, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 120, age = 6096\n",
      "Energy = -0.1528635171455903, S = 0.3482436331540322, norm_err = 1.4e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 41.7 s\n",
      "Delta E = -2.1261e-04, Delta S = -4.3997e-04 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 4, 4, 2, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 130, age = 6576\n",
      "Energy = -0.1555935644295552, S = 0.3932208363854154, norm_err = 1.3e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 44.8 s\n",
      "Delta E = -2.7300e-04, Delta S = 4.4977e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 140, age = 7056\n",
      "Energy = -0.1528635171456116, S = 0.3922295214179101, norm_err = 8.9e-16\n",
      "Current memory usage 548.2 MB, time elapsed: 47.8 s\n",
      "Delta E = 2.7300e-04, Delta S = -9.9131e-05 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "================================================================================\n",
      "DMRG finished after 140 sweeps.\n",
      "total size = 7056, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  0.9999999999999993\n",
      "After the canonicalization:\n",
      "Bond dim =  [1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1723589993619514, S = nan, norm_err = 4.7e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 7.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.8068e-02, max_E_trunc = 3.3769e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1734225224259784, S = nan, norm_err = 7.2e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 13.8 s\n",
      "Delta E = -1.0635e-04, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.2767e-02, max_E_trunc = 1.3990e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1746661222502635, S = nan, norm_err = 1.1e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 20.5 s\n",
      "Delta E = -1.2436e-04, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.6687e-03, max_E_trunc = 6.6784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1835721415361515, S = nan, norm_err = 1.9e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 27.2 s\n",
      "Delta E = -8.9060e-04, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.9168e-04, max_E_trunc = 3.5698e-04\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "disable mixer after 50 sweeps, final amplitude 1.10e-08\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2736\n",
      "Energy = -0.1835759468047993, S = 1.0563745344770936, norm_err = 1.8e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 33.1 s\n",
      "Delta E = -3.8053e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.1670e-04, max_E_trunc = 3.3428e-04\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 3216\n",
      "Energy = -0.1835759468279079, S = 1.0563745355499763, norm_err = 1.6e-15\n",
      "Current memory usage 548.2 MB, time elapsed: 36.7 s\n",
      "Delta E = -2.3109e-12, Delta S = 1.0729e-10 (per sweep)\n",
      "max_trunc_err = 3.0835e-04, max_E_trunc = 3.3429e-04\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 3216, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000062+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1864229802621695, S = nan, norm_err = 3.3e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 15.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1014e-03, max_E_trunc = 1.3122e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1864353693447880, S = nan, norm_err = 5.4e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 21.7 s\n",
      "Delta E = -1.2389e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1080e-03, max_E_trunc = 1.3160e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1864303641030851, S = nan, norm_err = 8.7e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 28.1 s\n",
      "Delta E = 5.0052e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1070e-03, max_E_trunc = 1.3168e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1864353454286736, S = 1.2154030345094466, norm_err = 8.6e-11\n",
      "Current memory usage 548.2 MB, time elapsed: 32.0 s\n",
      "Delta E = -4.9813e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.5396e-04, max_E_trunc = 1.3159e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2736\n",
      "Energy = -0.1864257527938875, S = 1.2154331902719999, norm_err = 9.1e-11\n",
      "Current memory usage 548.2 MB, time elapsed: 36.4 s\n",
      "Delta E = 9.5926e-07, Delta S = 3.0156e-06 (per sweep)\n",
      "max_trunc_err = 5.5011e-04, max_E_trunc = 1.3035e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2736, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000013+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1893349409328282, S = nan, norm_err = 2.4e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 22.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0316e-03, max_E_trunc = 1.1236e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1893404643534664, S = nan, norm_err = 3.9e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 31.6 s\n",
      "Delta E = -5.5234e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.6187e-04, max_E_trunc = 1.0650e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1893404694762140, S = 1.5025109499941836, norm_err = 2.0e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 35.7 s\n",
      "Delta E = -5.1227e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.8087e-04, max_E_trunc = 1.0650e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1893360072540347, S = 1.5030409295879221, norm_err = 2.5e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 40.9 s\n",
      "Delta E = 4.4622e-07, Delta S = 5.2998e-05 (per sweep)\n",
      "max_trunc_err = 5.1410e-04, max_E_trunc = 1.1187e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 2256, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999993+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1904707715915777, S = nan, norm_err = 2.0e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 25.7 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.0637e-04, max_E_trunc = 5.7862e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1904768843839957, S = nan, norm_err = 1.1e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 36.2 s\n",
      "Delta E = -6.1128e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.9518e-04, max_E_trunc = 5.9388e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1904774045936275, S = 1.7911770467152475, norm_err = 7.3e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 42.8 s\n",
      "Delta E = -5.2021e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.4607e-04, max_E_trunc = 5.9357e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1946472919090461, S = 2.7838595951571961, norm_err = 3.0e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 54.6 s\n",
      "Delta E = -4.1699e-04, Delta S = 9.9268e-02 (per sweep)\n",
      "max_trunc_err = 8.9485e-04, max_E_trunc = 2.5153e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2736\n",
      "Energy = -0.1947666193146240, S = 2.8023834167615913, norm_err = 6.6e-11\n",
      "Current memory usage 548.2 MB, time elapsed: 60.8 s\n",
      "Delta E = -1.1933e-05, Delta S = 1.8524e-03 (per sweep)\n",
      "max_trunc_err = 8.1690e-04, max_E_trunc = 2.3206e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 3216\n",
      "Energy = -0.1947666193187558, S = 2.8023834168968969, norm_err = 6.3e-12\n",
      "Current memory usage 548.2 MB, time elapsed: 67.0 s\n",
      "Delta E = -4.1318e-13, Delta S = 1.3531e-11 (per sweep)\n",
      "max_trunc_err = 8.1690e-04, max_E_trunc = 2.3206e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 3216, maximum chi = 64\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000008+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1960924630208662, S = nan, norm_err = 1.0e-06\n",
      "Current memory usage 548.2 MB, time elapsed: 30.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.6225e-05, max_E_trunc = 8.3776e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1960925720876956, S = nan, norm_err = 1.6e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 44.8 s\n",
      "Delta E = -1.0907e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5469e-05, max_E_trunc = 8.2647e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1960925746142514, S = 2.8612342784958362, norm_err = 9.0e-11\n",
      "Current memory usage 548.2 MB, time elapsed: 53.8 s\n",
      "Delta E = -2.5266e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.7721e-05, max_E_trunc = 8.2645e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1960925553990158, S = 2.8613564471381396, norm_err = 8.7e-11\n",
      "Current memory usage 548.2 MB, time elapsed: 63.0 s\n",
      "Delta E = 1.9215e-09, Delta S = 1.2217e-05 (per sweep)\n",
      "max_trunc_err = 2.7692e-05, max_E_trunc = 8.3632e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 2256, maximum chi = 128\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [64, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000002+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [64, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1961563291722452, S = nan, norm_err = 3.2e-07\n",
      "Current memory usage 548.2 MB, time elapsed: 82.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.1742e-06, max_E_trunc = 9.8992e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1961563555985242, S = nan, norm_err = 5.7e-08\n",
      "Current memory usage 548.2 MB, time elapsed: 117.6 s\n",
      "Delta E = -2.6426e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.0583e-06, max_E_trunc = 9.8033e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1961563579793779, S = 2.8765796666159242, norm_err = 2.2e-10\n",
      "Current memory usage 548.2 MB, time elapsed: 140.9 s\n",
      "Delta E = -2.3809e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.0244e-06, max_E_trunc = 9.8038e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1961563567231650, S = 2.8765869240360278, norm_err = 2.3e-10\n",
      "Current memory usage 548.2 MB, time elapsed: 164.7 s\n",
      "Delta E = 1.2562e-10, Delta S = 7.2574e-07 (per sweep)\n",
      "max_trunc_err = 3.0269e-06, max_E_trunc = 9.8117e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 2256, maximum chi = 256\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000067+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 816\n",
      "Energy = -0.1961618319978555, S = nan, norm_err = 8.6e-08\n",
      "Current memory usage 639.5 MB, time elapsed: 290.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1077e-07, max_E_trunc = 3.6927e-07\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1296\n",
      "Energy = -0.1961618408859316, S = nan, norm_err = 2.4e-08\n",
      "Current memory usage 639.5 MB, time elapsed: 436.0 s\n",
      "Delta E = -8.8881e-10, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.0018e-07, max_E_trunc = 3.6589e-07\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1776\n",
      "Energy = -0.1961618440785813, S = 2.8798765844551886, norm_err = 1.6e-10\n",
      "Current memory usage 639.5 MB, time elapsed: 521.5 s\n",
      "Delta E = -3.1926e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 9.8890e-08, max_E_trunc = 3.6513e-07\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 2256\n",
      "Energy = -0.1961618439486337, S = 2.8798780473589454, norm_err = 1.2e-10\n",
      "Current memory usage 639.5 MB, time elapsed: 609.8 s\n",
      "Delta E = 1.2995e-11, Delta S = 1.4629e-07 (per sweep)\n",
      "max_trunc_err = 9.8676e-08, max_E_trunc = 3.6457e-07\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 2256, maximum chi = 512\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [259, 263, 248, 257, 249, 255, 241, 256, 254, 240, 229, 258, 260, 262, 263, 264]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.1336260518486933e-33+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [259, 263, 248, 257, 249, 255, 241, 256, 254, 240, 229, 258, 260, 262, 263, 264]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "Ly=4\n",
    "\n",
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Ly, chi)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [],
   "source": [
    "E_list = [result_dict[(J, J, J, Ly, chi)]['energy'] for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f65588cc3d0>]"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, E_list, 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [],
   "source": [
    "S_list = [np.max(result_dict[(J, J, J, Ly, chi)]['psi'].entanglement_entropy()) for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7f65576519d0>]"
      ]
     },
     "execution_count": 39,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, S_list, 'o')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:4091: UserWarning: trimming speigs k to smaller matrix dimension d\n",
      "  eta, A = speigs(flat_linop, k=k, which='LM', **kwargs)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py:1: UserWarning: Correlation length: largest eigenvalue not one. Not in canonical form/normalized?\n",
      "  \"\"\"Entry point for launching an IPython kernel.\n"
     ]
    }
   ],
   "source": [
    "xi_list = [np.max(result_dict[(J, J, J, Ly, chi)]['psi'].correlation_length()) for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0.0,\n",
       " 3.560147713765054,\n",
       " 4.794989262512618,\n",
       " 9.280291366169031,\n",
       " 1470563143631174.2,\n",
       " 11.287353834755443,\n",
       " 97178144353232.64,\n",
       " 3.2687388486019704]"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, xi_list, 'o')\n",
    "xi_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1708078791216453, S = nan, norm_err = 4.2e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 7.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.1212e-02, max_E_trunc = 2.4970e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1706507833933415, S = nan, norm_err = 6.5e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 15.9 s\n",
      "Delta E = 1.5710e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.1346e-02, max_E_trunc = 2.5035e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1708073100720332, S = 0.4524172499501324, norm_err = 2.3e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 20.2 s\n",
      "Delta E = -1.5653e-05, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.5619e-02, max_E_trunc = 2.4984e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1706508046466434, S = 0.4761527261765752, norm_err = 1.3e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 25.1 s\n",
      "Delta E = 1.5651e-05, Delta S = 2.3735e-03 (per sweep)\n",
      "max_trunc_err = 1.5675e-02, max_E_trunc = 2.5037e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1706507171608228, S = 0.4761533614295844, norm_err = 1.4e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 30.2 s\n",
      "Delta E = 8.7486e-09, Delta S = 6.3525e-08 (per sweep)\n",
      "max_trunc_err = 1.5673e-02, max_E_trunc = 2.5035e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000018+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1838863932754720, S = nan, norm_err = 3.4e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 10.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3168e-03, max_E_trunc = 2.1308e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1848561828079033, S = nan, norm_err = 6.1e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 20.6 s\n",
      "Delta E = -9.6979e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5940e-02, max_E_trunc = 1.2346e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1848592186082882, S = nan, norm_err = 9.8e-08\n",
      "Current memory usage 639.5 MB, time elapsed: 30.7 s\n",
      "Delta E = -3.0358e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.6125e-02, max_E_trunc = 1.2437e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1848592157210215, S = 0.8908533619538913, norm_err = 7.3e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 36.3 s\n",
      "Delta E = 2.8873e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 8.0627e-03, max_E_trunc = 1.2437e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1848592157380390, S = 0.8908533540454124, norm_err = 7.4e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 41.8 s\n",
      "Delta E = -1.7017e-12, Delta S = -7.9085e-10 (per sweep)\n",
      "max_trunc_err = 8.0627e-03, max_E_trunc = 1.2437e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000027+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1919303567150437, S = nan, norm_err = 3.0e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 22.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.3557e-04, max_E_trunc = 1.1217e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1919366534145913, S = nan, norm_err = 4.8e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 32.3 s\n",
      "Delta E = -6.2967e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.1453e-04, max_E_trunc = 1.0767e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1919380039905919, S = 1.1985827202349402, norm_err = 9.6e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 38.1 s\n",
      "Delta E = -1.3506e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.6034e-04, max_E_trunc = 1.0839e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1919393685336649, S = 1.1975824757455458, norm_err = 8.8e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 43.9 s\n",
      "Delta E = -1.3645e-07, Delta S = -1.0002e-04 (per sweep)\n",
      "max_trunc_err = 4.6635e-04, max_E_trunc = 1.0996e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1919407785106154, S = 1.1965547509140297, norm_err = 8.4e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 49.7 s\n",
      "Delta E = -1.4100e-07, Delta S = -1.0277e-04 (per sweep)\n",
      "max_trunc_err = 4.6839e-04, max_E_trunc = 1.1047e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 4824\n",
      "Energy = -0.1919421639214368, S = 1.1954913245263175, norm_err = 1.0e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 55.5 s\n",
      "Delta E = -1.3854e-07, Delta S = -1.0634e-04 (per sweep)\n",
      "max_trunc_err = 4.6991e-04, max_E_trunc = 1.1084e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 5544\n",
      "Energy = -0.1919433398746217, S = 1.1944966235833945, norm_err = 9.3e-15\n",
      "Current memory usage 639.5 MB, time elapsed: 61.4 s\n",
      "Delta E = -1.1760e-07, Delta S = -9.9470e-05 (per sweep)\n",
      "max_trunc_err = 4.7103e-04, max_E_trunc = 1.1111e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 70 sweeps.\n",
      "total size = 5544, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000008+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1926663709665863, S = nan, norm_err = 2.8e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 33.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5535e-04, max_E_trunc = 6.3390e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1926950856599513, S = nan, norm_err = 4.0e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 47.1 s\n",
      "Delta E = -2.8715e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.6437e-04, max_E_trunc = 9.3038e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1927025935499375, S = nan, norm_err = 6.5e-08\n",
      "Current memory usage 639.5 MB, time elapsed: 60.2 s\n",
      "Delta E = -7.5079e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.4409e-04, max_E_trunc = 7.0872e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1927136165075514, S = 1.5084374609914262, norm_err = 4.7e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 66.6 s\n",
      "Delta E = -1.1023e-06, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.3737e-04, max_E_trunc = 7.3988e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1927300589544861, S = 1.5464413456663342, norm_err = 7.7e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 73.3 s\n",
      "Delta E = -1.6442e-06, Delta S = 3.8004e-03 (per sweep)\n",
      "max_trunc_err = 3.3927e-04, max_E_trunc = 8.0355e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 4824\n",
      "Energy = -0.1927313351889145, S = 1.5505915096843121, norm_err = 5.0e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 79.8 s\n",
      "Delta E = -1.2762e-07, Delta S = 4.1502e-04 (per sweep)\n",
      "max_trunc_err = 3.3918e-04, max_E_trunc = 8.0542e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 5544\n",
      "Energy = -0.1927342697338806, S = 1.5561663339222338, norm_err = 4.2e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 86.3 s\n",
      "Delta E = -2.9345e-07, Delta S = 5.5748e-04 (per sweep)\n",
      "max_trunc_err = 3.5376e-04, max_E_trunc = 8.3166e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 6264\n",
      "Energy = -0.1927343233477975, S = 1.5571155103607477, norm_err = 3.5e-14\n",
      "Current memory usage 639.5 MB, time elapsed: 92.7 s\n",
      "Delta E = -5.3614e-09, Delta S = 9.4918e-05 (per sweep)\n",
      "max_trunc_err = 3.5362e-04, max_E_trunc = 8.3195e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 80 sweeps.\n",
      "total size = 6264, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000006+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1937836348567199, S = nan, norm_err = 1.4e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 36.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0225e-03, max_E_trunc = 1.4921e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1937851524411656, S = nan, norm_err = 2.3e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 50.6 s\n",
      "Delta E = -1.5176e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0025e-03, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1937851503095397, S = 2.6379591874056616, norm_err = 5.5e-13\n",
      "Current memory usage 639.5 MB, time elapsed: 59.6 s\n",
      "Delta E = 2.1316e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.0114e-04, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1937848128592468, S = 2.6393603125335825, norm_err = 4.6e-13\n",
      "Current memory usage 639.5 MB, time elapsed: 69.3 s\n",
      "Delta E = 3.3745e-08, Delta S = 1.4011e-04 (per sweep)\n",
      "max_trunc_err = 5.0700e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1937848128638488, S = 2.6393603253045259, norm_err = 4.8e-13\n",
      "Current memory usage 639.5 MB, time elapsed: 79.0 s\n",
      "Delta E = -4.6019e-13, Delta S = 1.2771e-09 (per sweep)\n",
      "max_trunc_err = 5.0700e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000003+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1946347943907707, S = nan, norm_err = 6.1e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 50.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5822e-05, max_E_trunc = 8.5213e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1946349216786286, S = nan, norm_err = 2.8e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 71.5 s\n",
      "Delta E = -1.2729e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.4900e-05, max_E_trunc = 8.3987e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1946349237394548, S = 2.8580375175834987, norm_err = 1.4e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 85.0 s\n",
      "Delta E = -2.0608e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.2428e-05, max_E_trunc = 8.4000e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1946349018473323, S = 2.8582241146839582, norm_err = 1.2e-07\n",
      "Current memory usage 639.5 MB, time elapsed: 98.5 s\n",
      "Delta E = 2.1892e-09, Delta S = 1.8660e-05 (per sweep)\n",
      "max_trunc_err = 3.2701e-05, max_E_trunc = 8.4772e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 128\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000022+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1947141797573770, S = nan, norm_err = 1.1e-05\n",
      "Current memory usage 639.5 MB, time elapsed: 107.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.3418e-05, max_E_trunc = 1.7907e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1947145471538209, S = nan, norm_err = 7.9e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 158.2 s\n",
      "Delta E = -3.6740e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1992e-05, max_E_trunc = 1.6340e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1947145546433381, S = 3.0163820243170316, norm_err = 7.2e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 191.1 s\n",
      "Delta E = -7.4895e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.9362e-06, max_E_trunc = 1.6225e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1947145530522031, S = 3.0164135319959797, norm_err = 6.8e-06\n",
      "Current memory usage 639.5 MB, time elapsed: 224.1 s\n",
      "Delta E = 1.5911e-10, Delta S = 3.1508e-06 (per sweep)\n",
      "max_trunc_err = 5.9593e-06, max_E_trunc = 1.6325e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 256\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [130, 129, 125, 128, 130, 138, 138, 141, 146, 154, 165, 162, 163, 173, 187, 173, 189, 173, 166, 172, 196, 177, 187, 166]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (3.146864064890843e-09+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [130, 129, 125, 128, 130, 138, 138, 141, 146, 154, 165, 162, 163, 173, 187, 173, 189, 173, 166, 172, 196, 177, 187, 166]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.0000061316634083, S = nan, norm_err = 4.3e-10\n",
      "Current memory usage 776.4 MB, time elapsed: 293.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.0776e-11, max_E_trunc = 1.5847e-15\n",
      "MPS bond dimensions: [490, 509, 512, 512, 512, 512, 470, 484, 512, 512, 512, 512, 474, 478, 512, 512, 512, 512, 478, 477, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.0000061316634086, S = nan, norm_err = 2.1e-10\n",
      "Current memory usage 778.4 MB, time elapsed: 481.2 s\n",
      "Delta E = -2.6099e-17, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.7715e-11, max_E_trunc = 9.3155e-16\n",
      "MPS bond dimensions: [470, 512, 512, 512, 512, 512, 473, 481, 512, 512, 512, 512, 468, 480, 512, 512, 512, 512, 474, 479, 512, 512, 512, 512]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.0000061316634088, S = 2.8336349122247242, norm_err = 1.5e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 585.3 s\n",
      "Delta E = -2.0766e-17, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.6990e-12, max_E_trunc = 7.6501e-16\n",
      "MPS bond dimensions: [376, 496, 512, 512, 512, 488, 376, 504, 512, 512, 512, 496, 376, 496, 512, 512, 512, 488, 376, 496, 512, 512, 512, 488]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.0000061316634088, S = 2.8336349124361799, norm_err = 4.6e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 685.8 s\n",
      "Delta E = 2.7864e-18, Delta S = 2.1146e-11 (per sweep)\n",
      "max_trunc_err = 5.5452e-12, max_E_trunc = 7.6675e-16\n",
      "MPS bond dimensions: [376, 472, 512, 512, 512, 480, 376, 488, 512, 512, 512, 480, 376, 480, 512, 512, 512, 480, 376, 480, 512, 512, 512, 480]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 512\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [129, 250, 468, 459, 512, 352, 256, 352, 512, 488, 512, 350, 256, 352, 512, 488, 512, 352, 256, 352, 512, 472, 458, 249]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000027+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [129, 250, 468, 459, 512, 352, 256, 352, 512, 488, 512, 350, 256, 352, 512, 488, 512, 352, 256, 352, 512, 472, 458, 249]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "Lx=4\n",
    "Ly=3\n",
    "\n",
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py:1: UserWarning: Correlation length: largest eigenvalue not one. Not in canonical form/normalized?\n",
      "  \"\"\"Entry point for launching an IPython kernel.\n"
     ]
    }
   ],
   "source": [
    "xi_list = [np.max(result_dict[(J, J, J, Lx, Ly, chi)]['psi'].correlation_length()) for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1.6073668468804185,\n",
       " 2.285751200273095,\n",
       " 3.971784808323227,\n",
       " 4.5298169678697855,\n",
       " 41.1292416909194,\n",
       " 27576576363527.203,\n",
       " 7.202936013703052,\n",
       " 371.22747719526876]"
      ]
     },
     "execution_count": 46,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, xi_list, 'o')\n",
    "xi_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 62,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1708078791216453, S = nan, norm_err = 4.2e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 8.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.1212e-02, max_E_trunc = 2.4970e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1706507833933415, S = nan, norm_err = 6.5e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 16.0 s\n",
      "Delta E = 1.5710e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.1346e-02, max_E_trunc = 2.5035e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1708073100720332, S = 0.4524172499501324, norm_err = 2.3e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 20.3 s\n",
      "Delta E = -1.5653e-05, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.5619e-02, max_E_trunc = 2.4984e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1706508046466434, S = 0.4761527261765752, norm_err = 1.3e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 25.2 s\n",
      "Delta E = 1.5651e-05, Delta S = 2.3735e-03 (per sweep)\n",
      "max_trunc_err = 1.5675e-02, max_E_trunc = 2.5037e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1706507171608228, S = 0.4761533614295844, norm_err = 1.4e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 30.4 s\n",
      "Delta E = 8.7486e-09, Delta S = 6.3525e-08 (per sweep)\n",
      "max_trunc_err = 1.5673e-02, max_E_trunc = 2.5035e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000022+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  5 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1769163258998094, S = nan, norm_err = 4.0e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 9.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.4677e-02, max_E_trunc = 1.2140e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1769160754306943, S = nan, norm_err = 6.4e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 18.9 s\n",
      "Delta E = 2.5047e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.4677e-02, max_E_trunc = 1.2143e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1769160567733875, S = 0.7927637601488872, norm_err = 3.1e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 24.0 s\n",
      "Delta E = 1.8657e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 7.3387e-03, max_E_trunc = 1.2142e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1769160567713802, S = 0.7927637600591894, norm_err = 3.4e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 29.1 s\n",
      "Delta E = 2.0073e-13, Delta S = -8.9698e-12 (per sweep)\n",
      "max_trunc_err = 7.3387e-03, max_E_trunc = 1.2142e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 5\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000027+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=5 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1837704498867711, S = nan, norm_err = 3.9e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 10.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.2956e-03, max_E_trunc = 3.8628e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1841141627747061, S = nan, norm_err = 5.7e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 20.0 s\n",
      "Delta E = -3.4371e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.9618e-03, max_E_trunc = 6.4027e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1840657496968040, S = nan, norm_err = 9.4e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 30.1 s\n",
      "Delta E = 4.8413e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.6469e-02, max_E_trunc = 1.1811e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1840590890913158, S = 0.9147617677694777, norm_err = 2.2e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 35.7 s\n",
      "Delta E = 6.6606e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 8.3913e-03, max_E_trunc = 1.1987e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1840589063898884, S = 0.9147867128870107, norm_err = 2.8e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 41.3 s\n",
      "Delta E = 1.8270e-08, Delta S = 2.4945e-06 (per sweep)\n",
      "max_trunc_err = 8.3958e-03, max_E_trunc = 1.1992e-02\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999976+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  11 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1887103749678699, S = nan, norm_err = 3.9e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 22.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.3749e-03, max_E_trunc = 6.4062e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1889080774894426, S = nan, norm_err = 6.0e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 32.9 s\n",
      "Delta E = -1.9770e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.7705e-03, max_E_trunc = 5.1214e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1889231783614562, S = nan, norm_err = 9.8e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 42.7 s\n",
      "Delta E = -1.5101e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.4538e-03, max_E_trunc = 4.7770e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1889247258129340, S = nan, norm_err = 1.6e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 52.7 s\n",
      "Delta E = -1.5475e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.3922e-03, max_E_trunc = 4.7152e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1889249536826464, S = 0.9969001835684423, norm_err = 6.7e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 58.9 s\n",
      "Delta E = -2.2787e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.6922e-03, max_E_trunc = 4.7055e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 4824\n",
      "Energy = -0.1889249868747124, S = 0.9968812533985861, norm_err = 4.5e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 65.2 s\n",
      "Delta E = -3.3192e-09, Delta S = -1.8930e-06 (per sweep)\n",
      "max_trunc_err = 2.6919e-03, max_E_trunc = 4.7041e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 4824, maximum chi = 11\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000004+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=11 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1919792170062209, S = nan, norm_err = 2.8e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 23.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.9181e-04, max_E_trunc = 1.1604e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1919836701302380, S = nan, norm_err = 4.6e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 32.9 s\n",
      "Delta E = -4.4531e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.6404e-04, max_E_trunc = 1.1087e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1919841622465661, S = 1.1400966882250581, norm_err = 1.1e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 38.8 s\n",
      "Delta E = -4.9212e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.8090e-04, max_E_trunc = 1.1058e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1919839581619082, S = 1.1395622953599511, norm_err = 1.4e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 44.9 s\n",
      "Delta E = 2.0408e-08, Delta S = -5.3439e-05 (per sweep)\n",
      "max_trunc_err = 4.8443e-04, max_E_trunc = 1.1163e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000018+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  22 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1924997367270732, S = nan, norm_err = 2.9e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 25.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.6688e-04, max_E_trunc = 3.9097e-04\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1925060435275240, S = nan, norm_err = 4.6e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 35.5 s\n",
      "Delta E = -6.3068e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.9382e-04, max_E_trunc = 3.1407e-04\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1925066511815944, S = 1.1731581746311959, norm_err = 1.2e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 41.9 s\n",
      "Delta E = -6.0765e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.4740e-04, max_E_trunc = 2.9880e-04\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1925064223602770, S = 1.1724873099417341, norm_err = 1.3e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 48.7 s\n",
      "Delta E = 2.2882e-08, Delta S = -6.7086e-05 (per sweep)\n",
      "max_trunc_err = 1.4844e-04, max_E_trunc = 2.9142e-04\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 22\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=22 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1926984635616762, S = nan, norm_err = 2.8e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 33.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1916e-03, max_E_trunc = 1.1303e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1927150601040862, S = nan, norm_err = 4.6e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 46.2 s\n",
      "Delta E = -1.6597e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.2595e-04, max_E_trunc = 8.0369e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1927196471373923, S = nan, norm_err = 7.4e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 59.3 s\n",
      "Delta E = -4.5870e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.2576e-04, max_E_trunc = 8.0388e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1927214107408020, S = 1.5531306874325159, norm_err = 2.1e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 65.5 s\n",
      "Delta E = -1.7636e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.1534e-04, max_E_trunc = 8.1110e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1927141797642046, S = 1.5724598705376795, norm_err = 1.3e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 72.8 s\n",
      "Delta E = 7.2310e-07, Delta S = 1.9329e-03 (per sweep)\n",
      "max_trunc_err = 5.5208e-04, max_E_trunc = 1.1638e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 4824\n",
      "Energy = -0.1927165215948155, S = 1.5753784211881268, norm_err = 1.2e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 78.6 s\n",
      "Delta E = -2.3418e-07, Delta S = 2.9186e-04 (per sweep)\n",
      "max_trunc_err = 4.1337e-04, max_E_trunc = 8.8725e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 5544\n",
      "Energy = -0.1927146283668340, S = 1.5753723276296221, norm_err = 8.8e-15\n",
      "Current memory usage 2484.9 MB, time elapsed: 85.9 s\n",
      "Delta E = 1.8932e-07, Delta S = -6.0936e-07 (per sweep)\n",
      "max_trunc_err = 5.5395e-04, max_E_trunc = 1.1637e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 70 sweeps.\n",
      "total size = 5544, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000049+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  45 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1932054563371312, S = nan, norm_err = 2.0e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 35.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.6887e-04, max_E_trunc = 7.0255e-04\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1932119028917102, S = nan, norm_err = 3.2e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 49.4 s\n",
      "Delta E = -6.4466e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.7168e-04, max_E_trunc = 7.1578e-04\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1932126683599028, S = 2.0649543673869459, norm_err = 5.5e-14\n",
      "Current memory usage 2484.9 MB, time elapsed: 55.6 s\n",
      "Delta E = -7.6547e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.3752e-04, max_E_trunc = 7.1845e-04\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1932094892684949, S = 2.0684519057815769, norm_err = 2.2e-13\n",
      "Current memory usage 2484.9 MB, time elapsed: 63.2 s\n",
      "Delta E = 3.1791e-07, Delta S = 3.4975e-04 (per sweep)\n",
      "max_trunc_err = 3.4651e-04, max_E_trunc = 7.3755e-04\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1932095079030252, S = 2.0684035341940450, norm_err = 5.8e-13\n",
      "Current memory usage 2484.9 MB, time elapsed: 70.7 s\n",
      "Delta E = -1.8635e-09, Delta S = -4.8372e-06 (per sweep)\n",
      "max_trunc_err = 3.4642e-04, max_E_trunc = 7.3739e-04\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 45\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000104+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=45 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1937836341942010, S = nan, norm_err = 1.4e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 36.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0224e-03, max_E_trunc = 1.4922e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1937851524164446, S = nan, norm_err = 2.3e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 51.1 s\n",
      "Delta E = -1.5182e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0025e-03, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1937851502828730, S = 2.6379591240550537, norm_err = 4.1e-13\n",
      "Current memory usage 2484.9 MB, time elapsed: 60.2 s\n",
      "Delta E = 2.1336e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.0114e-04, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1937848128334139, S = 2.6393602416915960, norm_err = 3.4e-13\n",
      "Current memory usage 2484.9 MB, time elapsed: 69.9 s\n",
      "Delta E = 3.3745e-08, Delta S = 1.4011e-04 (per sweep)\n",
      "max_trunc_err = 5.0700e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 4104\n",
      "Energy = -0.1937848128359481, S = 2.6393602487331496, norm_err = 3.5e-13\n",
      "Current memory usage 2484.9 MB, time elapsed: 79.5 s\n",
      "Delta E = -2.5343e-13, Delta S = 7.0416e-10 (per sweep)\n",
      "max_trunc_err = 5.0700e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 4104, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000022+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  90 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1944715200244775, S = nan, norm_err = 1.7e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 42.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.4247e-04, max_E_trunc = 3.2315e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1944718736325358, S = nan, norm_err = 2.8e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 59.7 s\n",
      "Delta E = -3.5361e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3754e-04, max_E_trunc = 3.1719e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1944718705999170, S = 2.7701384244203453, norm_err = 4.7e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 70.5 s\n",
      "Delta E = 3.0326e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.1876e-04, max_E_trunc = 3.1727e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1944718549511630, S = 2.7705571250256433, norm_err = 4.0e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 81.4 s\n",
      "Delta E = 1.5649e-09, Delta S = 4.1870e-05 (per sweep)\n",
      "max_trunc_err = 1.1971e-04, max_E_trunc = 3.1918e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 90\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000016+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=90 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1946348217341741, S = nan, norm_err = 1.1e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 46.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5647e-05, max_E_trunc = 8.5056e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1946349289087112, S = nan, norm_err = 2.0e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 66.8 s\n",
      "Delta E = -1.0717e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.4717e-05, max_E_trunc = 8.3825e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1946349313693148, S = 2.8579203409676079, norm_err = 7.9e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 80.0 s\n",
      "Delta E = -2.4606e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.2332e-05, max_E_trunc = 8.3828e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1946349103053583, S = 2.8580981954378899, norm_err = 7.1e-08\n",
      "Current memory usage 2484.9 MB, time elapsed: 93.4 s\n",
      "Delta E = 2.1064e-09, Delta S = 1.7785e-05 (per sweep)\n",
      "max_trunc_err = 3.2597e-05, max_E_trunc = 8.4587e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 128\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000001+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  181 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1946877656321752, S = nan, norm_err = 1.5e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 70.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.6783e-05, max_E_trunc = 4.0332e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1946878829760159, S = nan, norm_err = 5.5e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 99.0 s\n",
      "Delta E = -1.1734e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.4743e-05, max_E_trunc = 3.8094e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1946878832652258, S = 2.9312933623261515, norm_err = 5.5e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 118.1 s\n",
      "Delta E = -2.8921e-11, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.2363e-05, max_E_trunc = 3.8089e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1946878795004068, S = 2.9313725332898835, norm_err = 5.7e-07\n",
      "Current memory usage 2484.9 MB, time elapsed: 137.2 s\n",
      "Delta E = 3.7648e-10, Delta S = 7.9171e-06 (per sweep)\n",
      "max_trunc_err = 1.2410e-05, max_E_trunc = 3.8294e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 181\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000004+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=181 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1947056785595412, S = nan, norm_err = 9.2e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 110.7 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.2976e-05, max_E_trunc = 2.1928e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1947140953958500, S = nan, norm_err = 4.7e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 158.7 s\n",
      "Delta E = -8.4168e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1062e-05, max_E_trunc = 1.5967e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1947140987796701, S = 3.0154281928267110, norm_err = 7.6e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 192.0 s\n",
      "Delta E = -3.3838e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.4910e-06, max_E_trunc = 1.5873e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1947141007376440, S = 3.0154516706756578, norm_err = 8.9e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 226.5 s\n",
      "Delta E = -1.9580e-10, Delta S = 2.3478e-06 (per sweep)\n",
      "max_trunc_err = 5.4994e-06, max_E_trunc = 1.5889e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 256\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [130, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000058+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [130, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  362 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1947244839516173, S = nan, norm_err = 2.9e-04\n",
      "Current memory usage 2484.9 MB, time elapsed: 206.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.1840e-06, max_E_trunc = 6.9462e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1947247093986360, S = nan, norm_err = 5.9e-05\n",
      "Current memory usage 2484.9 MB, time elapsed: 291.8 s\n",
      "Delta E = -2.2545e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.6905e-06, max_E_trunc = 7.6394e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1947247099735468, S = 3.0921263212966856, norm_err = 1.7e-05\n",
      "Current memory usage 2484.9 MB, time elapsed: 348.0 s\n",
      "Delta E = -5.7491e-11, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.8511e-06, max_E_trunc = 7.6702e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1947247062304693, S = 3.0925071612995150, norm_err = 9.7e-06\n",
      "Current memory usage 2484.9 MB, time elapsed: 404.8 s\n",
      "Delta E = 3.7431e-10, Delta S = 3.8084e-05 (per sweep)\n",
      "max_trunc_err = 2.8937e-06, max_E_trunc = 7.7571e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3384, maximum chi = 362\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000016+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=362 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1947282822167088, S = nan, norm_err = 5.2e-05\n",
      "Current memory usage 2711.5 MB, time elapsed: 423.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.0354e-06, max_E_trunc = 2.7850e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1947289043172790, S = nan, norm_err = 1.3e-05\n",
      "Current memory usage 2711.5 MB, time elapsed: 614.0 s\n",
      "Delta E = -6.2210e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1414e-06, max_E_trunc = 2.9498e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1947289084965576, S = 3.1652399545958954, norm_err = 3.5e-05\n",
      "Current memory usage 2711.5 MB, time elapsed: 734.0 s\n",
      "Delta E = -4.1793e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.0743e-06, max_E_trunc = 2.9718e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1947289078167481, S = 3.1654131872257607, norm_err = 1.7e-05\n",
      "Current memory usage 2711.5 MB, time elapsed: 853.7 s\n",
      "Delta E = 6.7981e-11, Delta S = 1.7323e-05 (per sweep)\n",
      "max_trunc_err = 1.0812e-06, max_E_trunc = 2.9947e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "norm_tol=1.00e-05 not reached, norm_err=1.67e-05\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3624, maximum chi = 512\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000082+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  724 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1224\n",
      "Energy = -0.1947306818941203, S = nan, norm_err = 1.1e-04\n",
      "Current memory usage 3137.0 MB, time elapsed: 1048.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.3571e-07, max_E_trunc = 1.0398e-06\n",
      "MPS bond dimensions: [724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 1944\n",
      "Energy = -0.1947307233563897, S = nan, norm_err = 1.1e-05\n",
      "Current memory usage 3137.0 MB, time elapsed: 1487.7 s\n",
      "Delta E = -4.1462e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 8.0211e-07, max_E_trunc = 1.1542e-06\n",
      "MPS bond dimensions: [724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 2664\n",
      "Energy = -0.1947307263611921, S = 3.2393224436460595, norm_err = 3.7e-05\n",
      "Current memory usage 3137.0 MB, time elapsed: 1762.8 s\n",
      "Delta E = -3.0048e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.0616e-07, max_E_trunc = 1.1734e-06\n",
      "MPS bond dimensions: [724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 3384\n",
      "Energy = -0.1947307383564786, S = 3.2398543974263627, norm_err = 1.6e-05\n",
      "Current memory usage 3137.0 MB, time elapsed: 2032.7 s\n",
      "Delta E = -1.1995e-09, Delta S = 5.3195e-05 (per sweep)\n",
      "max_trunc_err = 4.0822e-07, max_E_trunc = 1.1771e-06\n",
      "MPS bond dimensions: [724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724, 724]\n",
      "norm_tol=1.00e-05 not reached, norm_err=1.63e-05\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 3624, maximum chi = 724\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [682, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.35907942394915127-0.9321311302208106j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [682, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724, 681, 724, 724, 724, 724, 724]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=724 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "Lx=4\n",
    "Ly=3\n",
    "# chi = 512\n",
    "# param = (J, J, J, Lx, Ly, chi)\n",
    "\n",
    "initial_psi = None\n",
    "psi_complex = []\n",
    "for chi in [int(2**i) for i in np.arange(2, 10, 0.5)]:\n",
    "    result = run_atomic(\n",
    "        Jx=J, Jy=J, Jz=J, \n",
    "        Lx=Lx, Ly=Ly, \n",
    "        chi=chi,\n",
    "        shift=shift,\n",
    "        bc=bc, bc_MPS=bc_MPS,\n",
    "        initial_psi=initial_psi,\n",
    "        dtype=complex,\n",
    "    )\n",
    "    \n",
    "    initial_psi = result['psi'].copy()\n",
    "    psi_complex.append(initial_psi.copy())\n",
    "# result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2677: RuntimeWarning: divide by zero encountered in double_scalars\n",
      "  return -1. / np.log(abs(E[1] / E[0])) * self.L\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py:1: UserWarning: Correlation length: largest eigenvalue not one. Not in canonical form/normalized?\n",
      "  \"\"\"Entry point for launching an IPython kernel.\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2677: RuntimeWarning: divide by zero encountered in double_scalars\n",
      "  return -1. / np.log(abs(E[1] / E[0])) * self.L\n"
     ]
    }
   ],
   "source": [
    "xi_complex = [psi.correlation_length() for psi in psi_complex]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "metadata": {},
   "outputs": [],
   "source": [
    "chi_list = [int(2**i) for i in np.arange(2, 10, 0.5)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1.607366847016369,\n",
       " 1.4687892555346447,\n",
       " 2.048819509792665,\n",
       " 2.7791797434088266,\n",
       " 3.5458704258483786,\n",
       " 3.8897706626540396,\n",
       " 4.320460929783837,\n",
       " 6.792350927857269,\n",
       " 246.27860516065442,\n",
       " 201806.27979961043,\n",
       " 2.7021597764222964e+16,\n",
       " 1161658.3947677542,\n",
       " 211.65429364758808,\n",
       " 25973266.189410597,\n",
       " -inf,\n",
       " -inf]"
      ]
     },
     "execution_count": 66,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "xi_complex"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "161778689.93304592"
      ]
     },
     "execution_count": 58,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "initial_psi.correlation_length()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(0.0015229047356320568+0j)\n",
      "(-0.5959936989141124+0j)\n",
      "(-0.6059082144882829+0j)\n",
      "(-0.8000051052760472+0j)\n",
      "(0.8878323089237922+0j)\n",
      "(-0.5418748867550981+0j)\n",
      "(0.49878848518584257+0j)\n",
      "(0.2683902944906512+0j)\n",
      "(0.6959681867905261-0.06058354457577188j)\n",
      "(-0.9961571203835489-0.0005050753584923685j)\n",
      "(0.9981119745523738-0.00010309600959603773j)\n",
      "(0.705993214474159-0.0007429394930027433j)\n",
      "(-0.4492213808892468-0.5441890588882826j)\n",
      "(0.9994808642212516-0.00031929533146313194j)\n",
      "(0.9996180159699719-0.0003327096319677147j)\n"
     ]
    }
   ],
   "source": [
    "for i in range(len(psi_complex) - 1):\n",
    "    psi0 = psi_complex[i]\n",
    "    psi1 = psi_complex[i+1]\n",
    "    print(psi0.overlap(psi1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1585838503657211, S = nan, norm_err = 4.2e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 10.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.9053e-02, max_E_trunc = 4.3155e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1585753423999776, S = nan, norm_err = 7.3e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 22.0 s\n",
      "Delta E = 8.5080e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.8730e-02, max_E_trunc = 4.2968e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1596172028878939, S = 0.5498636085692533, norm_err = 4.0e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 28.8 s\n",
      "Delta E = -1.0419e-04, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.6654e-02, max_E_trunc = 4.2475e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1596231266613906, S = 0.5389356645379266, norm_err = 2.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 35.5 s\n",
      "Delta E = -5.9238e-07, Delta S = -1.0928e-03 (per sweep)\n",
      "max_trunc_err = 3.6783e-02, max_E_trunc = 4.3371e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1583450812116975, S = 0.5143263246821473, norm_err = 2.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 42.1 s\n",
      "Delta E = 1.2780e-04, Delta S = -2.4609e-03 (per sweep)\n",
      "max_trunc_err = 3.6986e-02, max_E_trunc = 4.2110e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 6432\n",
      "Energy = -0.1623438976433960, S = 0.6186943510041296, norm_err = 2.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 48.7 s\n",
      "Delta E = -3.9988e-04, Delta S = 1.0437e-02 (per sweep)\n",
      "max_trunc_err = 3.4792e-02, max_E_trunc = 4.3724e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 7392\n",
      "Energy = -0.1609537540543897, S = 0.5598091274959951, norm_err = 2.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 55.4 s\n",
      "Delta E = 1.3901e-04, Delta S = -5.8885e-03 (per sweep)\n",
      "max_trunc_err = 3.1891e-02, max_E_trunc = 4.2608e-02\n",
      "MPS bond dimensions: [3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 8352\n",
      "Energy = -0.1615635324001552, S = 0.6285834040143161, norm_err = 2.1e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 62.2 s\n",
      "Delta E = -6.0978e-05, Delta S = 6.8774e-03 (per sweep)\n",
      "max_trunc_err = 3.2547e-02, max_E_trunc = 4.2999e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 90, age = 9312\n",
      "Energy = -0.1635661713541090, S = 0.7113955850558495, norm_err = 2.0e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 68.7 s\n",
      "Delta E = -2.0026e-04, Delta S = 8.2812e-03 (per sweep)\n",
      "max_trunc_err = 2.2179e-02, max_E_trunc = 3.1802e-02\n",
      "MPS bond dimensions: [2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 100, age = 10272\n",
      "Energy = -0.1632744009057454, S = 0.6915510826394140, norm_err = 2.2e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 75.3 s\n",
      "Delta E = 2.9177e-05, Delta S = -1.9845e-03 (per sweep)\n",
      "max_trunc_err = 2.1971e-02, max_E_trunc = 3.1526e-02\n",
      "MPS bond dimensions: [2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 110, age = 11232\n",
      "Energy = -0.1628107678132764, S = 0.6159152303525102, norm_err = 2.2e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 81.8 s\n",
      "Delta E = 4.6363e-05, Delta S = -7.5636e-03 (per sweep)\n",
      "max_trunc_err = 3.5469e-02, max_E_trunc = 4.4880e-02\n",
      "MPS bond dimensions: [3, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 120, age = 12192\n",
      "Energy = -0.1635679292932863, S = 0.7016856567185015, norm_err = 1.9e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 88.4 s\n",
      "Delta E = -7.5716e-05, Delta S = 8.5770e-03 (per sweep)\n",
      "max_trunc_err = 2.1972e-02, max_E_trunc = 3.1527e-02\n",
      "MPS bond dimensions: [2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 130, age = 13152\n",
      "Energy = -0.1578124010031274, S = 0.6619416037523750, norm_err = 2.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 95.1 s\n",
      "Delta E = 5.7555e-04, Delta S = -3.9744e-03 (per sweep)\n",
      "max_trunc_err = 3.4991e-02, max_E_trunc = 4.3770e-02\n",
      "MPS bond dimensions: [2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 2, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 140, age = 14112\n",
      "Energy = -0.1563045105611707, S = 0.5310679480896312, norm_err = 2.1e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 101.7 s\n",
      "Delta E = 1.5079e-04, Delta S = -1.3087e-02 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 150, age = 15072\n",
      "Energy = -0.1538764233942302, S = 0.5278211110900679, norm_err = 2.2e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 108.1 s\n",
      "Delta E = 2.4281e-04, Delta S = -3.2468e-04 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 160, age = 16032\n",
      "Energy = -0.1552406795182861, S = 0.5003969372573323, norm_err = 1.9e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 114.2 s\n",
      "Delta E = -1.3643e-04, Delta S = -2.7424e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 2, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 4, 4, 4, 2]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 170, age = 16992\n",
      "Energy = -0.1563134670865765, S = 0.5110753142474350, norm_err = 1.8e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 120.4 s\n",
      "Delta E = -1.0728e-04, Delta S = 1.0678e-03 (per sweep)\n",
      "max_trunc_err = 1.0666e-01, max_E_trunc = 7.5647e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 3, 2, 4, 2, 1, 2, 4, 4, 3, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 2, 4, 4, 2, 2, 4, 2]\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 180, age = 17952\n",
      "Energy = -0.1542310397321458, S = 0.3641469027091293, norm_err = 1.4e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 126.6 s\n",
      "Delta E = 2.0824e-04, Delta S = -1.4693e-02 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 2, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 190, age = 18912\n",
      "Energy = -0.1555769618024669, S = 0.3646521331486233, norm_err = 1.9e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 132.5 s\n",
      "Delta E = -1.3459e-04, Delta S = 5.0523e-05 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 1, 2, 2, 4, 2, 2, 1]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 200, age = 19872\n",
      "Energy = -0.1542115388154102, S = 0.4008238380083856, norm_err = 1.9e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 138.4 s\n",
      "Delta E = 1.3654e-04, Delta S = 3.6172e-03 (per sweep)\n",
      "max_trunc_err = 3.2941e-02, max_E_trunc = 4.3769e-02\n",
      "MPS bond dimensions: [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 1, 2, 2, 4, 2, 2, 1]\n",
      "================================================================================\n",
      "DMRG finished after 200 sweeps.\n",
      "total size = 19872, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 1, 2, 2, 4, 2, 2, 1]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  1.0000000000000018\n",
      "After the canonicalization:\n",
      "Bond dim =  [1, 2, 4, 4, 4, 4, 4, 2, 1, 2, 4, 4, 4, 4, 4, 2, 1, 1, 2, 2, 4, 2, 2, 1, 1, 1, 2, 2, 4, 2, 2, 1]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  5 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1661436531570981, S = nan, norm_err = 5.0e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 12.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.3367e-02, max_E_trunc = 4.0584e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1670555707730266, S = nan, norm_err = 9.0e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 25.3 s\n",
      "Delta E = -9.1192e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.7582e-02, max_E_trunc = 1.0639e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1673565170138840, S = nan, norm_err = 1.3e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 38.0 s\n",
      "Delta E = -3.0095e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.5357e-02, max_E_trunc = 1.6477e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1671717022205979, S = nan, norm_err = 2.3e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 50.7 s\n",
      "Delta E = 1.8481e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1389e-02, max_E_trunc = 1.3801e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1671688417813080, S = 0.7000369060775282, norm_err = 2.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 57.5 s\n",
      "Delta E = 2.8604e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.0149e-02, max_E_trunc = 1.3074e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 6432\n",
      "Energy = -0.1670993020860472, S = 0.6992402741779872, norm_err = 2.4e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 64.3 s\n",
      "Delta E = 6.9540e-06, Delta S = -7.9663e-05 (per sweep)\n",
      "max_trunc_err = 1.0379e-02, max_E_trunc = 1.3365e-02\n",
      "MPS bond dimensions: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 6432, maximum chi = 5\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000004+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=5 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1753498954777717, S = nan, norm_err = 3.7e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 13.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.4801e-03, max_E_trunc = 4.5134e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1756757878894248, S = nan, norm_err = 5.0e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 26.4 s\n",
      "Delta E = -3.2589e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.1786e-03, max_E_trunc = 3.9960e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1755595473304457, S = nan, norm_err = 9.2e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 39.7 s\n",
      "Delta E = 1.1624e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.8105e-03, max_E_trunc = 3.9167e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1755819072239753, S = 0.8814373541548941, norm_err = 6.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 47.0 s\n",
      "Delta E = -2.2360e-06, Delta S = nan (per sweep)\n",
      "max_trunc_err = 4.9738e-03, max_E_trunc = 5.6460e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1755747260270830, S = 0.8821101652765078, norm_err = 8.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 54.3 s\n",
      "Delta E = 7.1812e-07, Delta S = 6.7281e-05 (per sweep)\n",
      "max_trunc_err = 3.4922e-03, max_E_trunc = 4.2538e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 5472, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000053+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  11 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1787363845292944, S = nan, norm_err = 5.5e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 32.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.1216e-03, max_E_trunc = 4.2225e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1795597421161474, S = nan, norm_err = 8.5e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 46.7 s\n",
      "Delta E = -8.2336e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.2040e-03, max_E_trunc = 4.9641e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1795681587554885, S = nan, norm_err = 1.4e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 61.1 s\n",
      "Delta E = -8.4166e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.3551e-03, max_E_trunc = 5.1263e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1802481605402484, S = 1.0114282655864524, norm_err = 4.9e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 70.6 s\n",
      "Delta E = -6.8000e-05, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.4545e-03, max_E_trunc = 5.5396e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1804914525151009, S = 0.9929841972270891, norm_err = 9.4e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 79.9 s\n",
      "Delta E = -2.4329e-05, Delta S = -1.8444e-03 (per sweep)\n",
      "max_trunc_err = 3.4618e-03, max_E_trunc = 5.5957e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 6432\n",
      "Energy = -0.1805012505819157, S = 0.9910957214205491, norm_err = 7.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 88.6 s\n",
      "Delta E = -9.7981e-07, Delta S = -1.8885e-04 (per sweep)\n",
      "max_trunc_err = 3.2351e-03, max_E_trunc = 5.2225e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 7392\n",
      "Energy = -0.1805023716103200, S = 0.9907639918060540, norm_err = 7.3e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 97.2 s\n",
      "Delta E = -1.1210e-07, Delta S = -3.3173e-05 (per sweep)\n",
      "max_trunc_err = 3.1934e-03, max_E_trunc = 5.1508e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "================================================================================\n",
      "DMRG finished after 70 sweeps.\n",
      "total size = 7392, maximum chi = 11\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000003+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=11 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1836309948774044, S = nan, norm_err = 4.2e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 33.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.0599e-03, max_E_trunc = 2.1355e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1838156457739730, S = nan, norm_err = 6.4e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 46.6 s\n",
      "Delta E = -1.8465e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5195e-03, max_E_trunc = 1.3681e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1838156399407413, S = nan, norm_err = 1.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 59.3 s\n",
      "Delta E = 5.8332e-10, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5605e-03, max_E_trunc = 1.3977e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1838158872173583, S = 1.1018404828296497, norm_err = 1.9e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 67.3 s\n",
      "Delta E = -2.4728e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 7.8024e-04, max_E_trunc = 1.3978e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1838148690915560, S = 1.1021594569332969, norm_err = 1.5e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 75.4 s\n",
      "Delta E = 1.0181e-07, Delta S = 3.1897e-05 (per sweep)\n",
      "max_trunc_err = 7.8634e-04, max_E_trunc = 1.4212e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 5472, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999987+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  22 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1876389665880929, S = nan, norm_err = 4.1e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 34.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9802e-03, max_E_trunc = 2.3030e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1877216229253102, S = nan, norm_err = 6.6e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 48.0 s\n",
      "Delta E = -8.2656e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9437e-03, max_E_trunc = 2.3099e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1877240124946908, S = nan, norm_err = 1.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 61.6 s\n",
      "Delta E = -2.3896e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9463e-03, max_E_trunc = 2.3133e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1877264669737482, S = 1.3220918384895821, norm_err = 1.1e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 69.3 s\n",
      "Delta E = -2.4545e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 9.7327e-04, max_E_trunc = 2.3135e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1877380418701229, S = 1.3216911752867957, norm_err = 1.3e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 77.6 s\n",
      "Delta E = -1.1575e-06, Delta S = -4.0066e-05 (per sweep)\n",
      "max_trunc_err = 9.8678e-04, max_E_trunc = 2.3450e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 6432\n",
      "Energy = -0.1877460372519799, S = 1.3196190513536243, norm_err = 1.3e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 86.5 s\n",
      "Delta E = -7.9954e-07, Delta S = -2.0721e-04 (per sweep)\n",
      "max_trunc_err = 9.8719e-04, max_E_trunc = 2.3457e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 7392\n",
      "Energy = -0.1877504204177747, S = 1.3185967345135543, norm_err = 1.5e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 94.9 s\n",
      "Delta E = -4.3832e-07, Delta S = -1.0223e-04 (per sweep)\n",
      "max_trunc_err = 9.8739e-04, max_E_trunc = 2.3461e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 8352\n",
      "Energy = -0.1877511566071419, S = 1.3184217229959647, norm_err = 1.4e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 103.4 s\n",
      "Delta E = -7.3619e-08, Delta S = -1.7501e-05 (per sweep)\n",
      "max_trunc_err = 9.8741e-04, max_E_trunc = 2.3461e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "================================================================================\n",
      "DMRG finished after 80 sweeps.\n",
      "total size = 8352, maximum chi = 22\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000069+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=22 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1897859577598746, S = nan, norm_err = 5.4e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 46.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9082e-03, max_E_trunc = 2.3650e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1898680483808155, S = nan, norm_err = 6.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 64.1 s\n",
      "Delta E = -8.2091e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.8442e-03, max_E_trunc = 2.2706e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1898974249018561, S = nan, norm_err = 9.8e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 82.3 s\n",
      "Delta E = -2.9377e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3030e-03, max_E_trunc = 2.6922e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1899227534706451, S = nan, norm_err = 1.6e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 101.0 s\n",
      "Delta E = -2.5329e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3110e-03, max_E_trunc = 2.6985e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "disable mixer after 50 sweeps, final amplitude 1.10e-08\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1899559984830894, S = 1.4788304958938097, norm_err = 1.1e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 115.8 s\n",
      "Delta E = -3.3245e-06, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.3692e-03, max_E_trunc = 2.6970e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 6432\n",
      "Energy = -0.1899554802716708, S = 1.4786448840200395, norm_err = 1.1e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 123.8 s\n",
      "Delta E = 5.1821e-08, Delta S = -1.8561e-05 (per sweep)\n",
      "max_trunc_err = 1.1939e-03, max_E_trunc = 2.7145e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 6432, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000042+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  45 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1905892322843687, S = nan, norm_err = 3.8e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 47.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0585e-03, max_E_trunc = 1.2479e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1905967212665285, S = nan, norm_err = 6.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 66.3 s\n",
      "Delta E = -7.4890e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0378e-03, max_E_trunc = 1.2274e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1905971336646353, S = 1.5561117218723539, norm_err = 1.0e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 74.7 s\n",
      "Delta E = -4.1240e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.2014e-04, max_E_trunc = 1.2317e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1905949717056288, S = 1.5548779046311323, norm_err = 1.0e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 83.2 s\n",
      "Delta E = 2.1620e-07, Delta S = -1.2338e-04 (per sweep)\n",
      "max_trunc_err = 5.4119e-04, max_E_trunc = 1.2889e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1905948715427073, S = 1.5543358791586297, norm_err = 1.1e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 91.7 s\n",
      "Delta E = 1.0016e-08, Delta S = -5.4203e-05 (per sweep)\n",
      "max_trunc_err = 5.4323e-04, max_E_trunc = 1.2975e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 5472, maximum chi = 45\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000038+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=45 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1909094287701016, S = nan, norm_err = 1.8e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 51.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.0481e-04, max_E_trunc = 4.9557e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1909127909404926, S = nan, norm_err = 2.8e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 71.0 s\n",
      "Delta E = -3.3622e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.9349e-04, max_E_trunc = 4.7447e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1909128341069675, S = 1.6383568079934339, norm_err = 1.3e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 84.1 s\n",
      "Delta E = -4.3166e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.9678e-04, max_E_trunc = 4.7452e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1909120476039430, S = 1.6385023798555163, norm_err = 1.3e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 97.5 s\n",
      "Delta E = 7.8650e-08, Delta S = 1.4557e-05 (per sweep)\n",
      "max_trunc_err = 2.0120e-04, max_E_trunc = 4.8720e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 4512, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [63, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999933+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [63, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  90 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1945484349278734, S = nan, norm_err = 2.0e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 60.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3593e-03, max_E_trunc = 2.9801e-03\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1958261436754878, S = nan, norm_err = 3.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 83.5 s\n",
      "Delta E = -1.2777e-04, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.5758e-04, max_E_trunc = 5.7682e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1958276700195150, S = nan, norm_err = 5.0e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 106.9 s\n",
      "Delta E = -1.5263e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.6222e-04, max_E_trunc = 5.8458e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1958292675900815, S = 2.8394396408962406, norm_err = 1.6e-13\n",
      "Current memory usage 778.4 MB, time elapsed: 122.1 s\n",
      "Delta E = -1.5976e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.7353e-04, max_E_trunc = 5.6015e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 5472\n",
      "Energy = -0.1958297105642011, S = 2.8398008569244051, norm_err = 2.3e-13\n",
      "Current memory usage 778.4 MB, time elapsed: 137.9 s\n",
      "Delta E = -4.4297e-08, Delta S = 3.6122e-05 (per sweep)\n",
      "max_trunc_err = 1.6987e-04, max_E_trunc = 5.4927e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 5472, maximum chi = 90\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000069+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=90 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1960925722592135, S = nan, norm_err = 1.3e-06\n",
      "Current memory usage 778.4 MB, time elapsed: 62.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.6225e-05, max_E_trunc = 8.3777e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1960926530932294, S = nan, norm_err = 2.1e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 90.4 s\n",
      "Delta E = -8.0834e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5469e-05, max_E_trunc = 8.2648e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1960926557322527, S = 2.8611082039352480, norm_err = 4.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 108.5 s\n",
      "Delta E = -2.6390e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.7721e-05, max_E_trunc = 8.2645e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1960926576999160, S = 2.8611725401833201, norm_err = 4.5e-15\n",
      "Current memory usage 778.4 MB, time elapsed: 127.1 s\n",
      "Delta E = -1.9677e-10, Delta S = 6.4336e-06 (per sweep)\n",
      "max_trunc_err = 2.7692e-05, max_E_trunc = 8.3633e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 4512, maximum chi = 128\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [64, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000084+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [64, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  181 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1961429012170921, S = nan, norm_err = 8.3e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 103.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5574e-05, max_E_trunc = 2.2594e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1961429378834199, S = nan, norm_err = 1.4e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 143.8 s\n",
      "Delta E = -3.6666e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5317e-05, max_E_trunc = 2.2384e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1961429390205449, S = 2.8712720755238159, norm_err = 1.1e-13\n",
      "Current memory usage 778.4 MB, time elapsed: 170.7 s\n",
      "Delta E = -1.1371e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 7.6563e-06, max_E_trunc = 2.2408e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1961429339375780, S = 2.8712896499508807, norm_err = 6.8e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 197.9 s\n",
      "Delta E = 5.0830e-10, Delta S = 1.7574e-06 (per sweep)\n",
      "max_trunc_err = 7.6642e-06, max_E_trunc = 2.2427e-05\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 4512, maximum chi = 181\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999969+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=181 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1961563401378363, S = nan, norm_err = 4.0e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 158.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.1743e-06, max_E_trunc = 9.8993e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1961563629042207, S = nan, norm_err = 7.2e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 226.8 s\n",
      "Delta E = -2.2766e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.0583e-06, max_E_trunc = 9.8034e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1961563652998652, S = 2.8765681941812220, norm_err = 1.3e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 273.7 s\n",
      "Delta E = -2.3956e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.0244e-06, max_E_trunc = 9.8038e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1961563640260948, S = 2.8765754174560176, norm_err = 1.6e-14\n",
      "Current memory usage 778.4 MB, time elapsed: 321.4 s\n",
      "Delta E = 1.2738e-10, Delta S = 7.2233e-07 (per sweep)\n",
      "max_trunc_err = 3.0269e-06, max_E_trunc = 9.8116e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 4512, maximum chi = 256\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000082+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=4 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  362 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 1632\n",
      "Energy = -0.1961593446496623, S = nan, norm_err = 3.4e-07\n",
      "Current memory usage 778.4 MB, time elapsed: 277.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.1030e-07, max_E_trunc = 1.4458e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 2592\n",
      "Energy = -0.1961610916721321, S = nan, norm_err = 8.0e-08\n",
      "Current memory usage 778.4 MB, time elapsed: 400.1 s\n",
      "Delta E = -1.7470e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.7578e-07, max_E_trunc = 1.3034e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 3552\n",
      "Energy = -0.1961610945568033, S = 2.8791284116748086, norm_err = 5.1e-13\n",
      "Current memory usage 778.4 MB, time elapsed: 480.4 s\n",
      "Delta E = -2.8847e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.8493e-07, max_E_trunc = 1.3038e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 4512\n",
      "Energy = -0.1961610947148991, S = 2.8791336589671057, norm_err = 7.7e-13\n",
      "Current memory usage 778.4 MB, time elapsed: 562.1 s\n",
      "Delta E = -1.5810e-11, Delta S = 5.2473e-07 (per sweep)\n",
      "max_trunc_err = 3.8496e-07, max_E_trunc = 1.3041e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 4512, maximum chi = 362\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 360, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 360, 362, 362, 362, 362]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000144+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 360, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 360, 362, 362, 362, 362]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=362 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "Lx=4\n",
    "Ly=4\n",
    "\n",
    "chi_list = [int(2**i) for i in np.arange(2, 9, 0.5)]\n",
    "\n",
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:4091: UserWarning: trimming speigs k to smaller matrix dimension d\n",
      "  eta, A = speigs(flat_linop, k=k, which='LM', **kwargs)\n"
     ]
    }
   ],
   "source": [
    "xi_list = [np.max(result_dict[(J, J, J, Lx, Ly, chi)]['psi'].correlation_length()) for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0.0,\n",
       " 2.1705185947248475,\n",
       " 3.5525989784330236,\n",
       " 2.454628971974057,\n",
       " 2.888265502049837,\n",
       " 3.834372013275163,\n",
       " 5.000870488084226,\n",
       " 5.49899357099709,\n",
       " 5.821924926756829,\n",
       " 27141.798784451494,\n",
       " 10.438866074957557,\n",
       " 2607593.08006538,\n",
       " 25285584362797.56,\n",
       " 161778690.4778674]"
      ]
     },
     "execution_count": 51,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.plot(chi_list, xi_list, 'o')\n",
    "xi_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "metadata": {},
   "outputs": [],
   "source": [
    "psi_list_44 = [result_dict[(J, J, J, Lx, Ly, chi)]['psi'] for chi in chi_list]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(1.9476788911832515e-09+0j)\n",
      "(0.027782657629415994+0j)\n",
      "(0.0088561986905764+0j)\n",
      "(0.8747544573914633+0j)\n",
      "(0.7031942550304597+0j)\n",
      "(0.8751206569578875+0j)\n",
      "(-0.8953372932204077+0j)\n",
      "(0.9612862658744925+0j)\n",
      "(-0.016927787645867505-0.0026100111302067588j)\n",
      "(-0.7050699064625625-6.701635792456756e-05j)\n",
      "(0.5313908155854845-0.4659210851659593j)\n",
      "(-0.9998555603340125-7.845667119948905e-06j)\n",
      "(0.9999612313636128-0.0003280571254715564j)\n"
     ]
    }
   ],
   "source": [
    "for i in range(len(psi_list_44) - 1):\n",
    "    psi0 = psi_list_44[i]\n",
    "    psi1 = psi_list_44[i+1]\n",
    "    print(psi0.overlap(psi1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "import h5py\n",
    "from tenpy.tools import hdf5_io\n",
    "\n",
    "def save_data(\n",
    "    result, \n",
    "    chi,\n",
    "    Jx, \n",
    "    Jy, \n",
    "    Jz, \n",
    "    Lx, \n",
    "    Ly,\n",
    "    shift,\n",
    "    prefix='data/', \n",
    "):\n",
    "    file_name = prefix+f'KitaevHoneycomb_Jx_{Jx}_Jy_{Jy}_Jz_{Jz}_chi_{chi}_Lx_{Lx}_Ly_{Ly}_shift_{shift}.h5'\n",
    "    if not os.path.exists(file_name):\n",
    "        with h5py.File(file_name, 'w') as f:\n",
    "            hdf5_io.save_to_hdf5(f, result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "Path('data/').mkdir(parents=True, exist_ok=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "for key, value in result_dict.items():\n",
    "    chi = (value['sweeps_stat']['max_chi'][0])\n",
    "    Jx, Jy, Jz = key[:3]\n",
    "    L = value['psi'].L\n",
    "    if (L <= 16):\n",
    "        Lx = 2\n",
    "    else:\n",
    "        Lx = 4\n",
    "    Ly = L//Lx\n",
    "    shift = 0\n",
    "    save_data(value, chi, Jx, Jy, Jz, Lx, Ly, shift)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Why always cat?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "Jx = 1.0\n",
    "Jy = 1.0\n",
    "Jz = 1.0\n",
    "\n",
    "# isotropic\n",
    "J = 1.0\n",
    "\n",
    "# S = 1.5\n",
    "\n",
    "Lx = 2\n",
    "Ly = 3\n",
    "shift = 0\n",
    "bc = 'periodic'\n",
    "bc_MPS = 'infinite'\n",
    "\n",
    "initial='ferro'\n",
    "\n",
    "chi_list = [2**i for i in range(2, 10)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "result_dict = {}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  4 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<3 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1716795305439044, S = nan, norm_err = 2.7e-06\n",
      "Current memory usage 158.6 MB, time elapsed: 4.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.2164e-02, max_E_trunc = 2.5506e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1716746683844441, S = nan, norm_err = 4.4e-07\n",
      "Current memory usage 158.6 MB, time elapsed: 8.6 s\n",
      "Delta E = 4.8622e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.8788e-02, max_E_trunc = 2.3846e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 4]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1716716047538919, S = 0.5096392866351779, norm_err = 1.1e-15\n",
      "Current memory usage 158.6 MB, time elapsed: 11.0 s\n",
      "Delta E = 3.0636e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.4394e-02, max_E_trunc = 2.3847e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1716701153310870, S = 0.5096440757303093, norm_err = 1.4e-15\n",
      "Current memory usage 158.6 MB, time elapsed: 13.2 s\n",
      "Delta E = 1.4894e-07, Delta S = 4.7891e-07 (per sweep)\n",
      "max_trunc_err = 1.4394e-02, max_E_trunc = 2.3848e-02\n",
      "MPS bond dimensions: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 4\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000009+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=4 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1831283986029989, S = nan, norm_err = 2.9e-06\n",
      "Current memory usage 160.6 MB, time elapsed: 4.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.4301e-03, max_E_trunc = 4.5376e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1831329707950905, S = nan, norm_err = 4.3e-07\n",
      "Current memory usage 160.6 MB, time elapsed: 9.5 s\n",
      "Delta E = -4.5722e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.6053e-03, max_E_trunc = 4.6077e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1832335099588545, S = 0.8695793135987048, norm_err = 4.3e-15\n",
      "Current memory usage 161.6 MB, time elapsed: 12.4 s\n",
      "Delta E = -1.0054e-05, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.7045e-03, max_E_trunc = 4.5438e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1852462209930295, S = 0.8745219874002735, norm_err = 1.9e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 15.2 s\n",
      "Delta E = -2.0127e-04, Delta S = 4.9427e-04 (per sweep)\n",
      "max_trunc_err = 4.4959e-03, max_E_trunc = 7.2163e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1854707882891660, S = 0.8669140976521476, norm_err = 8.4e-15\n",
      "Current memory usage 161.6 MB, time elapsed: 18.0 s\n",
      "Delta E = -2.2457e-05, Delta S = -7.6079e-04 (per sweep)\n",
      "max_trunc_err = 5.4041e-03, max_E_trunc = 8.0405e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1856130163324347, S = 0.8578246009853708, norm_err = 1.3e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 20.8 s\n",
      "Delta E = -1.4223e-05, Delta S = -9.0895e-04 (per sweep)\n",
      "max_trunc_err = 4.3666e-03, max_E_trunc = 7.0025e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1853753837489407, S = 0.8763178622344734, norm_err = 7.9e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 23.6 s\n",
      "Delta E = 2.3763e-05, Delta S = 1.8493e-03 (per sweep)\n",
      "max_trunc_err = 5.1997e-03, max_E_trunc = 7.8605e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 3132\n",
      "Energy = -0.1854296720863715, S = 0.8778733725961727, norm_err = 4.6e-15\n",
      "Current memory usage 161.6 MB, time elapsed: 26.4 s\n",
      "Delta E = -5.4288e-06, Delta S = 1.5555e-04 (per sweep)\n",
      "max_trunc_err = 6.0195e-03, max_E_trunc = 8.5378e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 90, age = 3492\n",
      "Energy = -0.1853940267291657, S = 0.8748685128666334, norm_err = 7.7e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 29.2 s\n",
      "Delta E = 3.5645e-06, Delta S = -3.0049e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 100, age = 3852\n",
      "Energy = -0.1854294685179430, S = 0.8779006193336559, norm_err = 4.6e-15\n",
      "Current memory usage 161.6 MB, time elapsed: 32.0 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 110, age = 4212\n",
      "Energy = -0.1853940267310274, S = 0.8748685243294193, norm_err = 7.7e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 34.8 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 120, age = 4572\n",
      "Energy = -0.1854294685313391, S = 0.8779006168807926, norm_err = 4.7e-15\n",
      "Current memory usage 161.6 MB, time elapsed: 37.6 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 130, age = 4932\n",
      "Energy = -0.1853940267287252, S = 0.8748685248926410, norm_err = 7.7e-14\n",
      "Current memory usage 161.6 MB, time elapsed: 40.4 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 140, age = 5292\n",
      "Energy = -0.1854294685145609, S = 0.8779006189511535, norm_err = 4.8e-15\n",
      "Current memory usage 161.9 MB, time elapsed: 43.2 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 150, age = 5652\n",
      "Energy = -0.1853940267275599, S = 0.8748685250115039, norm_err = 7.7e-14\n",
      "Current memory usage 161.9 MB, time elapsed: 46.0 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 160, age = 6012\n",
      "Energy = -0.1854294685315191, S = 0.8779006171017408, norm_err = 4.7e-15\n",
      "Current memory usage 161.9 MB, time elapsed: 48.8 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 170, age = 6372\n",
      "Energy = -0.1853940267280526, S = 0.8748685244533974, norm_err = 7.7e-14\n",
      "Current memory usage 161.9 MB, time elapsed: 51.6 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 180, age = 6732\n",
      "Energy = -0.1854294685236179, S = 0.8779006166681995, norm_err = 4.6e-15\n",
      "Current memory usage 161.9 MB, time elapsed: 54.4 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 190, age = 7092\n",
      "Energy = -0.1853940267407002, S = 0.8748685234703921, norm_err = 7.7e-14\n",
      "Current memory usage 161.9 MB, time elapsed: 57.2 s\n",
      "Delta E = 3.5442e-06, Delta S = -3.0321e-04 (per sweep)\n",
      "max_trunc_err = 5.2060e-03, max_E_trunc = 7.8784e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 200, age = 7452\n",
      "Energy = -0.1854294685124008, S = 0.8779006190780398, norm_err = 4.6e-15\n",
      "Current memory usage 161.9 MB, time elapsed: 60.0 s\n",
      "Delta E = -3.5442e-06, Delta S = 3.0321e-04 (per sweep)\n",
      "max_trunc_err = 6.0184e-03, max_E_trunc = 8.5359e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 200 sweeps.\n",
      "total size = 7452, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999973+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1919145391401909, S = nan, norm_err = 2.4e-06\n",
      "Current memory usage 161.9 MB, time elapsed: 11.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9995e-03, max_E_trunc = 1.3930e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1919205786096268, S = nan, norm_err = 3.9e-07\n",
      "Current memory usage 161.9 MB, time elapsed: 16.2 s\n",
      "Delta E = -6.0395e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9830e-03, max_E_trunc = 1.3846e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1919191191739813, S = 1.1423604629396167, norm_err = 2.2e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 19.0 s\n",
      "Delta E = 1.4594e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.9842e-04, max_E_trunc = 1.1438e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1919162858563155, S = 1.1413709686593152, norm_err = 3.3e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 21.9 s\n",
      "Delta E = 2.8333e-07, Delta S = -9.8949e-05 (per sweep)\n",
      "max_trunc_err = 7.0998e-04, max_E_trunc = 1.1649e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999993+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1926829890545753, S = nan, norm_err = 2.1e-06\n",
      "Current memory usage 161.9 MB, time elapsed: 16.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5189e-04, max_E_trunc = 5.7708e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1926912188848343, S = nan, norm_err = 3.3e-07\n",
      "Current memory usage 161.9 MB, time elapsed: 23.7 s\n",
      "Delta E = -8.2298e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.7434e-04, max_E_trunc = 5.1740e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1926913091981935, S = 1.4788461831322850, norm_err = 7.3e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 26.7 s\n",
      "Delta E = -9.0313e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.3812e-04, max_E_trunc = 5.2222e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1926912324148328, S = 1.4844015344168879, norm_err = 8.0e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 29.7 s\n",
      "Delta E = 7.6783e-09, Delta S = 5.5554e-04 (per sweep)\n",
      "max_trunc_err = 2.4675e-04, max_E_trunc = 5.3980e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1926914381171301, S = 1.4884798420946084, norm_err = 8.0e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 32.7 s\n",
      "Delta E = -2.0570e-08, Delta S = 4.0783e-04 (per sweep)\n",
      "max_trunc_err = 2.4892e-04, max_E_trunc = 5.4808e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1926913681776957, S = 1.4906406091605893, norm_err = 7.6e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 35.8 s\n",
      "Delta E = 6.9939e-09, Delta S = 2.1608e-04 (per sweep)\n",
      "max_trunc_err = 2.5066e-04, max_E_trunc = 5.5325e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1926913075281599, S = 1.4917605511943304, norm_err = 7.3e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 38.8 s\n",
      "Delta E = 6.0650e-09, Delta S = 1.1199e-04 (per sweep)\n",
      "max_trunc_err = 2.5149e-04, max_E_trunc = 5.5601e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 3132\n",
      "Energy = -0.1926912716091209, S = 1.4923942491311974, norm_err = 8.3e-10\n",
      "Current memory usage 161.9 MB, time elapsed: 41.8 s\n",
      "Delta E = 3.5919e-09, Delta S = 6.3370e-05 (per sweep)\n",
      "max_trunc_err = 2.5212e-04, max_E_trunc = 5.5790e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 80 sweeps.\n",
      "total size = 3132, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000004+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1937792652348822, S = nan, norm_err = 1.1e-06\n",
      "Current memory usage 165.1 MB, time elapsed: 18.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0226e-03, max_E_trunc = 1.4922e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1937815641227338, S = nan, norm_err = 1.8e-07\n",
      "Current memory usage 165.1 MB, time elapsed: 25.9 s\n",
      "Delta E = -2.2989e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0025e-03, max_E_trunc = 1.4697e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1937815615432387, S = 2.6394920266702346, norm_err = 4.9e-10\n",
      "Current memory usage 165.1 MB, time elapsed: 30.6 s\n",
      "Delta E = 2.5795e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.0114e-04, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1937811387753404, S = 2.6415997627457761, norm_err = 7.3e-10\n",
      "Current memory usage 165.1 MB, time elapsed: 35.5 s\n",
      "Delta E = 4.2277e-08, Delta S = 2.1077e-04 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1937811387789523, S = 2.6415997745299431, norm_err = 7.4e-10\n",
      "Current memory usage 165.1 MB, time elapsed: 40.4 s\n",
      "Delta E = -3.6119e-13, Delta S = 1.1784e-09 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2052, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [33, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999986+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [33, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1946346524869753, S = nan, norm_err = 3.6e-05\n",
      "Current memory usage 179.9 MB, time elapsed: 27.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5733e-05, max_E_trunc = 8.5158e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1946347870072316, S = nan, norm_err = 1.7e-06\n",
      "Current memory usage 179.9 MB, time elapsed: 38.4 s\n",
      "Delta E = -1.3452e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.5681e-05, max_E_trunc = 8.4680e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1946347891006989, S = 2.8586652573972575, norm_err = 1.3e-06\n",
      "Current memory usage 179.9 MB, time elapsed: 45.4 s\n",
      "Delta E = -2.0935e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.2823e-05, max_E_trunc = 8.4697e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1946347428692666, S = 2.8590336735902735, norm_err = 1.0e-06\n",
      "Current memory usage 179.9 MB, time elapsed: 52.5 s\n",
      "Delta E = 4.6231e-09, Delta S = 3.6842e-05 (per sweep)\n",
      "max_trunc_err = 3.3098e-05, max_E_trunc = 8.5470e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 128\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000078+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947143713302128, S = nan, norm_err = 7.3e-05\n",
      "Current memory usage 240.7 MB, time elapsed: 60.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1819e-05, max_E_trunc = 1.5780e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947144839854751, S = nan, norm_err = 3.8e-05\n",
      "Current memory usage 240.7 MB, time elapsed: 88.3 s\n",
      "Delta E = -1.1266e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.2100e-05, max_E_trunc = 1.6448e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947144926666103, S = 3.0164064975599261, norm_err = 3.0e-05\n",
      "Current memory usage 240.7 MB, time elapsed: 106.1 s\n",
      "Delta E = -8.6811e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.0273e-06, max_E_trunc = 1.6428e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947144918926540, S = 3.0165298637770248, norm_err = 2.8e-05\n",
      "Current memory usage 240.7 MB, time elapsed: 123.9 s\n",
      "Delta E = 7.7396e-11, Delta S = 1.2337e-05 (per sweep)\n",
      "max_trunc_err = 6.0427e-06, max_E_trunc = 1.6511e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "norm_tol=1.00e-05 not reached, norm_err=2.84e-05\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1812, maximum chi = 256\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [191, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000044+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [191, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947276011227637, S = nan, norm_err = 6.7e-04\n",
      "Current memory usage 485.5 MB, time elapsed: 230.2 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.2165e-07, max_E_trunc = 1.2988e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947288942468551, S = nan, norm_err = 2.4e-04\n",
      "Current memory usage 485.5 MB, time elapsed: 336.9 s\n",
      "Delta E = -1.2931e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.7880e-06, max_E_trunc = 2.4865e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947289188176313, S = 3.1596170039491209, norm_err = 1.2e-04\n",
      "Current memory usage 485.5 MB, time elapsed: 401.7 s\n",
      "Delta E = -2.4571e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.0477e-06, max_E_trunc = 2.9064e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947289144273109, S = 3.1647811878115735, norm_err = 9.3e-05\n",
      "Current memory usage 485.5 MB, time elapsed: 464.0 s\n",
      "Delta E = 4.3903e-10, Delta S = 5.1642e-04 (per sweep)\n",
      "max_trunc_err = 1.1029e-06, max_E_trunc = 3.0520e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1947289094995526, S = 3.1652084361902815, norm_err = 1.3e-04\n",
      "Current memory usage 485.5 MB, time elapsed: 530.3 s\n",
      "Delta E = 4.9278e-10, Delta S = 4.2725e-05 (per sweep)\n",
      "max_trunc_err = 1.1182e-06, max_E_trunc = 3.0926e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "norm_tol=1.00e-05 not reached, norm_err=1.33e-04\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "Updating environment\n",
      ".....\n",
      "DMRG: norm_tol 1.00e-05 not reached by updating the environment, current norm_err = 1.33e-05\n",
      "Call psi.canonical_form()\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2652, maximum chi = 512\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000008+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "            initial=initial,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "chi =  4\n",
      "0.833746163507983\n",
      "chi =  8\n",
      "1.1762968632940747\n",
      "chi =  16\n",
      "1.5116530619543582\n",
      "chi =  32\n",
      "2.1032213178462773\n",
      "chi =  64\n",
      "2.8550360028044954\n",
      "chi =  128\n",
      "3.225077133014497\n",
      "chi =  256\n",
      "3.3472430104702995\n",
      "chi =  512\n",
      "3.53719050055965\n"
     ]
    }
   ],
   "source": [
    "for key, item in result_dict.items():\n",
    "    psi = item['psi']\n",
    "#     print(psi.correlation_length())\n",
    "    print('chi = ', key[-1])\n",
    "    print(np.max(psi.entanglement_entropy()))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Try no symmetry"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1856717573088543, S = nan, norm_err = 3.1e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 4.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.0192e-03, max_E_trunc = 6.4045e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1862750591578811, S = nan, norm_err = 4.6e-07\n",
      "Current memory usage 510.0 MB, time elapsed: 9.0 s\n",
      "Delta E = -6.0330e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.6886e-03, max_E_trunc = 4.7743e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1865689255032900, S = nan, norm_err = 6.9e-08\n",
      "Current memory usage 510.0 MB, time elapsed: 13.4 s\n",
      "Delta E = -2.9387e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.2845e-03, max_E_trunc = 4.2884e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1865693894646535, S = nan, norm_err = 1.1e-08\n",
      "Current memory usage 510.0 MB, time elapsed: 18.3 s\n",
      "Delta E = -4.6396e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.2430e-03, max_E_trunc = 4.2567e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1864881173543532, S = 0.8121330950250512, norm_err = 1.9e-13\n",
      "Current memory usage 510.0 MB, time elapsed: 21.2 s\n",
      "Delta E = 8.1272e-06, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.2298e-03, max_E_trunc = 4.5000e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1864936041493171, S = 0.8116979152822705, norm_err = 2.0e-13\n",
      "Current memory usage 510.0 MB, time elapsed: 24.2 s\n",
      "Delta E = -5.4868e-07, Delta S = -4.3518e-05 (per sweep)\n",
      "max_trunc_err = 2.2350e-03, max_E_trunc = 4.5051e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 2412, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1919860511031034, S = nan, norm_err = 2.3e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 13.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.4715e-04, max_E_trunc = 5.6784e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1919935866502792, S = nan, norm_err = 3.8e-07\n",
      "Current memory usage 510.0 MB, time elapsed: 19.2 s\n",
      "Delta E = -7.5355e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.0254e-04, max_E_trunc = 5.2147e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1919964743296537, S = 1.0338912282350663, norm_err = 2.2e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 21.8 s\n",
      "Delta E = -2.8877e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.4982e-04, max_E_trunc = 5.2178e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1919992596123166, S = 1.0356664728290017, norm_err = 3.0e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 24.4 s\n",
      "Delta E = -2.7853e-07, Delta S = 1.7752e-04 (per sweep)\n",
      "max_trunc_err = 2.4848e-04, max_E_trunc = 5.2272e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1920012273152025, S = 1.0371886864514972, norm_err = 3.3e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 27.0 s\n",
      "Delta E = -1.9677e-07, Delta S = 1.5222e-04 (per sweep)\n",
      "max_trunc_err = 2.4764e-04, max_E_trunc = 5.2374e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1920021538382386, S = 1.0382548848075335, norm_err = 3.3e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 29.6 s\n",
      "Delta E = -9.2652e-08, Delta S = 1.0662e-04 (per sweep)\n",
      "max_trunc_err = 2.4646e-04, max_E_trunc = 5.2347e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1920025514180471, S = 1.0392029862040264, norm_err = 3.0e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 32.3 s\n",
      "Delta E = -3.9758e-08, Delta S = 9.4810e-05 (per sweep)\n",
      "max_trunc_err = 2.4270e-04, max_E_trunc = 5.1984e-04\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 70 sweeps.\n",
      "total size = 2772, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000089+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1926729686494445, S = nan, norm_err = 1.8e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 15.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1841e-04, max_E_trunc = 2.3576e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1926813007743036, S = nan, norm_err = 2.8e-07\n",
      "Current memory usage 510.0 MB, time elapsed: 22.3 s\n",
      "Delta E = -8.3321e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.0928e-04, max_E_trunc = 2.2480e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1926813817421168, S = 1.1888761302435120, norm_err = 1.3e-09\n",
      "Current memory usage 510.0 MB, time elapsed: 26.1 s\n",
      "Delta E = -8.0968e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.2301e-04, max_E_trunc = 2.6045e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1926848156212154, S = 1.4236091292188400, norm_err = 1.1e-09\n",
      "Current memory usage 510.0 MB, time elapsed: 31.7 s\n",
      "Delta E = -3.4339e-07, Delta S = 2.3473e-02 (per sweep)\n",
      "max_trunc_err = 3.3989e-04, max_E_trunc = 6.6275e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1926957362128003, S = 1.4619247083391702, norm_err = 1.5e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 35.9 s\n",
      "Delta E = -1.0921e-06, Delta S = 3.8316e-03 (per sweep)\n",
      "max_trunc_err = 3.5339e-04, max_E_trunc = 6.8026e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 2412\n",
      "Energy = -0.1926960634354226, S = 1.4686258192165418, norm_err = 1.4e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 39.8 s\n",
      "Delta E = -3.2722e-08, Delta S = 6.7011e-04 (per sweep)\n",
      "max_trunc_err = 3.5215e-04, max_E_trunc = 6.7513e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 2772\n",
      "Energy = -0.1926962244550386, S = 1.4745571694934834, norm_err = 1.4e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 43.7 s\n",
      "Delta E = -1.6102e-08, Delta S = 5.9314e-04 (per sweep)\n",
      "max_trunc_err = 3.4928e-04, max_E_trunc = 6.6866e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 80, age = 3132\n",
      "Energy = -0.1926963444926031, S = 1.4793339963858578, norm_err = 1.3e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 47.6 s\n",
      "Delta E = -1.2004e-08, Delta S = 4.7768e-04 (per sweep)\n",
      "max_trunc_err = 3.4620e-04, max_E_trunc = 6.6208e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 90, age = 3492\n",
      "Energy = -0.1926964386320643, S = 1.4830814603260871, norm_err = 1.2e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 51.5 s\n",
      "Delta E = -9.4139e-09, Delta S = 3.7475e-04 (per sweep)\n",
      "max_trunc_err = 3.4327e-04, max_E_trunc = 6.5596e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 100, age = 3852\n",
      "Energy = -0.1926963215953492, S = 1.4859555529444679, norm_err = 2.4e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 55.6 s\n",
      "Delta E = 1.1704e-08, Delta S = 2.8741e-04 (per sweep)\n",
      "max_trunc_err = 3.4033e-04, max_E_trunc = 6.5146e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 110, age = 4212\n",
      "Energy = -0.1926942465524443, S = 1.4874447210327446, norm_err = 7.5e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 59.5 s\n",
      "Delta E = 2.0750e-07, Delta S = 1.4892e-04 (per sweep)\n",
      "max_trunc_err = 3.3218e-04, max_E_trunc = 6.5425e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 120, age = 4572\n",
      "Energy = -0.1926930801447924, S = 1.4884738993773032, norm_err = 8.7e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 63.4 s\n",
      "Delta E = 1.1664e-07, Delta S = 1.0292e-04 (per sweep)\n",
      "max_trunc_err = 3.2499e-04, max_E_trunc = 6.4972e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 130, age = 4932\n",
      "Energy = -0.1926925679110335, S = 1.4894931060126704, norm_err = 9.1e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 67.2 s\n",
      "Delta E = 5.1223e-08, Delta S = 1.0192e-04 (per sweep)\n",
      "max_trunc_err = 3.2358e-04, max_E_trunc = 6.4944e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 140, age = 5292\n",
      "Energy = -0.1926922868354903, S = 1.4901696622747245, norm_err = 9.2e-10\n",
      "Current memory usage 510.0 MB, time elapsed: 71.1 s\n",
      "Delta E = 2.8108e-08, Delta S = 6.7656e-05 (per sweep)\n",
      "max_trunc_err = 3.2334e-04, max_E_trunc = 6.4993e-04\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 140 sweeps.\n",
      "total size = 5292, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000062+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "."
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1937792685361851, S = nan, norm_err = 1.7e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 19.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0225e-03, max_E_trunc = 1.4920e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1937815645502994, S = nan, norm_err = 4.4e-07\n",
      "Current memory usage 510.0 MB, time elapsed: 27.5 s\n",
      "Delta E = -2.2960e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0025e-03, max_E_trunc = 1.4697e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1937815619934729, S = 2.6394931316038708, norm_err = 8.6e-08\n",
      "Current memory usage 510.0 MB, time elapsed: 32.4 s\n",
      "Delta E = 2.5568e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.0114e-04, max_E_trunc = 1.4696e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1937811391752149, S = 2.6416009899899922, norm_err = 3.3e-08\n",
      "Current memory usage 510.0 MB, time elapsed: 37.5 s\n",
      "Delta E = 4.2282e-08, Delta S = 2.1079e-04 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1937811391996718, S = 2.6416010636709752, norm_err = 7.6e-09\n",
      "Current memory usage 510.0 MB, time elapsed: 42.6 s\n",
      "Delta E = -2.4457e-12, Delta S = 7.3681e-09 (per sweep)\n",
      "max_trunc_err = 5.0701e-04, max_E_trunc = 1.4832e-03\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2052, maximum chi = 64\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2433: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  self.canonical_form_infinite(renormalize)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2582: UserWarning: Although we renormalized the TransferMatrix, the largest eigenvalue is not 1\n",
      "  warnings.warn(\"Although we renormalized the TransferMatrix, \"\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000027+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=False for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1946347272055089, S = 2.8599836904982534, norm_err = 2.1e-04\n",
      "Current memory usage 510.0 MB, time elapsed: 33.1 s\n",
      "Delta E = nan, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.2217e-05, max_E_trunc = 8.4126e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1946348064248807, S = 2.8583404496333356, norm_err = 3.0e-05\n",
      "Current memory usage 510.0 MB, time elapsed: 43.6 s\n",
      "Delta E = -7.9219e-09, Delta S = -1.6432e-04 (per sweep)\n",
      "max_trunc_err = 3.2540e-05, max_E_trunc = 8.4480e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1946348103551780, S = 2.8582997897454963, norm_err = 2.3e-05\n",
      "Current memory usage 510.0 MB, time elapsed: 54.0 s\n",
      "Delta E = -3.9303e-10, Delta S = -4.0660e-06 (per sweep)\n",
      "max_trunc_err = 3.2439e-05, max_E_trunc = 8.4319e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "norm_tol=1.00e-05 not reached, norm_err=2.28e-05\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/algorithms/dmrg.py:420: UserWarning: final DMRG state not in canonical form within `norm_tol` = 1.00e-05\n",
      "  warnings.warn(msg.format(nt=norm_tol))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      ".....\n",
      "================================================================================\n",
      "DMRG finished after 30 sweeps.\n",
      "total size = 1452, maximum chi = 128\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000058+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['mixer_params'] for config TwoSiteDMRGEngine\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=False for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947135977838279, S = 3.0014710138951819, norm_err = 5.8e-05\n",
      "Current memory usage 510.0 MB, time elapsed: 123.8 s\n",
      "Delta E = nan, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.5060e-06, max_E_trunc = 1.5629e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947140767281645, S = 3.0143076162595350, norm_err = 7.5e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 163.6 s\n",
      "Delta E = -4.7894e-08, Delta S = 1.2837e-03 (per sweep)\n",
      "max_trunc_err = 5.3927e-06, max_E_trunc = 1.5641e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947140709534002, S = 3.0153109560298028, norm_err = 5.7e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 202.4 s\n",
      "Delta E = 5.7748e-10, Delta S = 1.0033e-04 (per sweep)\n",
      "max_trunc_err = 5.4589e-06, max_E_trunc = 1.5806e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947140705930176, S = 3.0153708108629904, norm_err = 5.2e-06\n",
      "Current memory usage 510.0 MB, time elapsed: 243.7 s\n",
      "Delta E = 3.6038e-11, Delta S = 5.9855e-06 (per sweep)\n",
      "max_trunc_err = 5.4636e-06, max_E_trunc = 1.5820e-05\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 1692, maximum chi = 256\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 252, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (-0.9277813912606538-0.3731004772701686j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 252, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=2 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=3 for config KitaevHoneycombModel\n",
      "Reading 'conserve'=None for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  512 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['mixer_params'] for config TwoSiteDMRGEngine\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=False for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 612\n",
      "Energy = -0.1947286854545259, S = 3.1185506344420779, norm_err = 2.7e-04\n",
      "Current memory usage 966.4 MB, time elapsed: 711.3 s\n",
      "Delta E = nan, Delta S = nan (per sweep)\n",
      "max_trunc_err = 6.2265e-07, max_E_trunc = 1.7367e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 972\n",
      "Energy = -0.1947288904028071, S = 3.1516302865632131, norm_err = 8.1e-05\n",
      "Current memory usage 966.4 MB, time elapsed: 938.2 s\n",
      "Delta E = -2.0495e-08, Delta S = 3.3080e-03 (per sweep)\n",
      "max_trunc_err = 9.1598e-07, max_E_trunc = 2.5879e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 1332\n",
      "Energy = -0.1947288830641227, S = 3.1604925713488332, norm_err = 2.3e-05\n",
      "Current memory usage 966.4 MB, time elapsed: 1155.2 s\n",
      "Delta E = 7.3387e-10, Delta S = 8.8623e-04 (per sweep)\n",
      "max_trunc_err = 1.0087e-06, max_E_trunc = 2.8965e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 1692\n",
      "Energy = -0.1947288816818542, S = 3.1628282854089087, norm_err = 8.0e-06\n",
      "Current memory usage 966.4 MB, time elapsed: 1371.7 s\n",
      "Delta E = 1.3823e-10, Delta S = 2.3357e-04 (per sweep)\n",
      "max_trunc_err = 1.0323e-06, max_E_trunc = 2.9629e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 2052\n",
      "Energy = -0.1947288817485126, S = 3.1635004781632019, norm_err = 3.2e-06\n",
      "Current memory usage 966.4 MB, time elapsed: 1596.8 s\n",
      "Delta E = -6.6658e-12, Delta S = 6.7219e-05 (per sweep)\n",
      "max_trunc_err = 1.0389e-06, max_E_trunc = 2.9793e-06\n",
      "MPS bond dimensions: [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 2052, maximum chi = 512\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (-0.9277817137954413-0.37311657517175045j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512, 512]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=512 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['mixer_params'] for config TwoSiteDMRGEngine\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "initial_psi = None\n",
    "conserve = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi, conserve)\n",
    "    mixer = (chi<=64)\n",
    "    if param not in result_dict:\n",
    "        result = run_atomic(\n",
    "            Jx=J, Jy=J, Jz=J, \n",
    "            Lx=Lx, Ly=Ly, \n",
    "            chi=chi,\n",
    "            shift=shift,\n",
    "            conserve=conserve,\n",
    "            bc=bc, bc_MPS=bc_MPS,\n",
    "            initial_psi=initial_psi,\n",
    "            initial=initial,\n",
    "            mixer=mixer,\n",
    "        )\n",
    "    else:\n",
    "        result = result_dict[param]\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2.668757943441221\n",
      "5.272562428902095\n",
      "7.012340051335112\n",
      "4.195873731385042\n",
      "13.481563052556023\n",
      "346410755325.0768\n",
      "14244384693838.48\n",
      "-inf\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py:5: UserWarning: Correlation length: largest eigenvalue not one. Not in canonical form/normalized?\n",
      "  \"\"\"\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2677: RuntimeWarning: divide by zero encountered in double_scalars\n",
      "  return -1. / np.log(abs(E[1] / E[0])) * self.L\n"
     ]
    }
   ],
   "source": [
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi, conserve)\n",
    "    result = result_dict[param]\n",
    "    psi = result['psi']\n",
    "    print(psi.correlation_length())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  8 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<3 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1773241394493622, S = nan, norm_err = 4.9e-06\n",
      "Current memory usage 133.7 MB, time elapsed: 17.0 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.3764e-03, max_E_trunc = 7.4723e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1773983024715899, S = nan, norm_err = 7.8e-07\n",
      "Current memory usage 134.2 MB, time elapsed: 36.7 s\n",
      "Delta E = -7.4163e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.0313e-03, max_E_trunc = 7.1708e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1773992328401448, S = nan, norm_err = 1.3e-07\n",
      "Current memory usage 134.8 MB, time elapsed: 56.3 s\n",
      "Delta E = -9.3037e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.9455e-03, max_E_trunc = 7.1433e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1773995397105234, S = 0.7562522952653791, norm_err = 1.4e-14\n",
      "Current memory usage 135.3 MB, time elapsed: 67.1 s\n",
      "Delta E = -3.0687e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.4704e-03, max_E_trunc = 7.1416e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 8208\n",
      "Energy = -0.1773997655888024, S = 0.7562558687441016, norm_err = 1.2e-14\n",
      "Current memory usage 135.9 MB, time elapsed: 77.8 s\n",
      "Delta E = -2.2588e-08, Delta S = 3.5735e-07 (per sweep)\n",
      "max_trunc_err = 3.4707e-03, max_E_trunc = 7.1412e-03\n",
      "MPS bond dimensions: [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 8208, maximum chi = 8\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000007+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=8 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  11 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['P_tol'] for config lanczos_params\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1810185703308379, S = nan, norm_err = 5.7e-06\n",
      "Current memory usage 139.1 MB, time elapsed: 44.8 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.0930e-03, max_E_trunc = 3.0448e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1810230277267652, S = nan, norm_err = 9.3e-07\n",
      "Current memory usage 139.1 MB, time elapsed: 63.3 s\n",
      "Delta E = -4.4574e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.0447e-03, max_E_trunc = 2.9888e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1810230384461669, S = 0.8872895729522908, norm_err = 6.5e-15\n",
      "Current memory usage 139.1 MB, time elapsed: 74.5 s\n",
      "Delta E = -1.0719e-09, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.5223e-03, max_E_trunc = 2.9888e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1810230480003673, S = 0.8873737420892193, norm_err = 4.8e-15\n",
      "Current memory usage 139.1 MB, time elapsed: 86.1 s\n",
      "Delta E = -9.5542e-10, Delta S = 8.4169e-06 (per sweep)\n",
      "max_trunc_err = 1.5350e-03, max_E_trunc = 3.0214e-03\n",
      "MPS bond dimensions: [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 11\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000013+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=11 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  16 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1840100686974537, S = nan, norm_err = 5.6e-06\n",
      "Current memory usage 139.1 MB, time elapsed: 47.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.8369e-04, max_E_trunc = 1.0455e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1843236118753069, S = nan, norm_err = 8.4e-07\n",
      "Current memory usage 139.1 MB, time elapsed: 65.8 s\n",
      "Delta E = -3.1354e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9774e-03, max_E_trunc = 1.5939e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1843245765753684, S = nan, norm_err = 1.4e-07\n",
      "Current memory usage 139.1 MB, time elapsed: 83.9 s\n",
      "Delta E = -9.6470e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9261e-03, max_E_trunc = 1.5565e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1843245768335061, S = 1.0740599936798847, norm_err = 1.2e-14\n",
      "Current memory usage 139.1 MB, time elapsed: 95.0 s\n",
      "Delta E = -2.5814e-11, Delta S = nan (per sweep)\n",
      "max_trunc_err = 9.6304e-04, max_E_trunc = 1.5565e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 8208\n",
      "Energy = -0.1843239668989346, S = 1.0741927407481366, norm_err = 1.2e-14\n",
      "Current memory usage 139.2 MB, time elapsed: 106.3 s\n",
      "Delta E = 6.0993e-08, Delta S = 1.3275e-05 (per sweep)\n",
      "max_trunc_err = 9.8746e-04, max_E_trunc = 1.5909e-03\n",
      "MPS bond dimensions: [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 8208, maximum chi = 16\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.00000000000003+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=16 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  22 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1857068414258129, S = nan, norm_err = 5.0e-06\n",
      "Current memory usage 139.7 MB, time elapsed: 48.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0616e-03, max_E_trunc = 1.0977e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1865690277919671, S = nan, norm_err = 8.3e-07\n",
      "Current memory usage 139.7 MB, time elapsed: 67.4 s\n",
      "Delta E = -8.6219e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.9111e-03, max_E_trunc = 2.0446e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1871670996664001, S = nan, norm_err = 1.3e-07\n",
      "Current memory usage 139.7 MB, time elapsed: 86.4 s\n",
      "Delta E = -5.9807e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1910e-03, max_E_trunc = 2.5391e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1871673616374802, S = nan, norm_err = 2.0e-08\n",
      "Current memory usage 139.7 MB, time elapsed: 105.1 s\n",
      "Delta E = -2.6197e-08, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.1918e-03, max_E_trunc = 2.5374e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 8208\n",
      "Energy = -0.1871673611354865, S = 1.3047712127055426, norm_err = 1.3e-14\n",
      "Current memory usage 139.9 MB, time elapsed: 117.3 s\n",
      "Delta E = 5.0199e-11, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.0959e-03, max_E_trunc = 2.5374e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 9648\n",
      "Energy = -0.1871658266151333, S = 1.3047455864428448, norm_err = 1.3e-14\n",
      "Current memory usage 140.1 MB, time elapsed: 129.6 s\n",
      "Delta E = 1.5345e-07, Delta S = -2.5626e-06 (per sweep)\n",
      "max_trunc_err = 1.1048e-03, max_E_trunc = 2.5647e-03\n",
      "MPS bond dimensions: [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "================================================================================\n",
      "DMRG finished after 60 sweeps.\n",
      "total size = 9648, maximum chi = 22\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000022+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=22 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  32 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1895013957933323, S = nan, norm_err = 4.3e-06\n",
      "Current memory usage 142.6 MB, time elapsed: 68.1 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.1884e-03, max_E_trunc = 1.4126e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1897306804394555, S = nan, norm_err = 6.9e-07\n",
      "Current memory usage 142.6 MB, time elapsed: 94.9 s\n",
      "Delta E = -2.2928e-05, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3143e-03, max_E_trunc = 2.5942e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1897458737704601, S = nan, norm_err = 1.1e-07\n",
      "Current memory usage 142.6 MB, time elapsed: 121.3 s\n",
      "Delta E = -1.5193e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.2534e-03, max_E_trunc = 2.5192e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1897841876173061, S = nan, norm_err = 1.8e-08\n",
      "Current memory usage 142.6 MB, time elapsed: 147.8 s\n",
      "Delta E = -3.8314e-06, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 2.3094e-03, max_E_trunc = 2.6128e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "disable mixer after 50 sweeps, final amplitude 1.10e-08\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 8208\n",
      "Energy = -0.1898071758903962, S = 1.4969372578743840, norm_err = 1.2e-14\n",
      "Current memory usage 142.6 MB, time elapsed: 170.0 s\n",
      "Delta E = -2.2988e-06, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.3584e-03, max_E_trunc = 2.6871e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 60, age = 9648\n",
      "Energy = -0.1898474004966554, S = 1.4989494126090726, norm_err = 1.5e-14\n",
      "Current memory usage 142.6 MB, time elapsed: 181.9 s\n",
      "Delta E = -4.0225e-06, Delta S = 2.0122e-04 (per sweep)\n",
      "max_trunc_err = 1.1908e-03, max_E_trunc = 2.7160e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 70, age = 11088\n",
      "Energy = -0.1898474777147593, S = 1.4993548552745419, norm_err = 1.1e-14\n",
      "Current memory usage 142.9 MB, time elapsed: 194.4 s\n",
      "Delta E = -7.7218e-09, Delta S = 4.0544e-05 (per sweep)\n",
      "max_trunc_err = 1.2018e-03, max_E_trunc = 2.7462e-03\n",
      "MPS bond dimensions: [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "================================================================================\n",
      "DMRG finished after 70 sweeps.\n",
      "total size = 11088, maximum chi = 32\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (0.9999999999999893+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=32 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n",
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  45 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1905771883119177, S = nan, norm_err = 4.5e-06\n",
      "Current memory usage 146.9 MB, time elapsed: 72.9 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0739e-03, max_E_trunc = 1.2589e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1905838811657598, S = nan, norm_err = 7.3e-07\n",
      "Current memory usage 146.9 MB, time elapsed: 101.1 s\n",
      "Delta E = -6.6929e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.0679e-03, max_E_trunc = 1.2522e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1905847722635971, S = 1.5809487853314950, norm_err = 1.0e-14\n",
      "Current memory usage 146.9 MB, time elapsed: 114.0 s\n",
      "Delta E = -8.9110e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 5.3498e-04, max_E_trunc = 1.2538e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1905831615840725, S = 1.5797391996624726, norm_err = 1.0e-14\n",
      "Current memory usage 146.9 MB, time elapsed: 127.0 s\n",
      "Delta E = 1.6107e-07, Delta S = -1.2096e-04 (per sweep)\n",
      "max_trunc_err = 5.3706e-04, max_E_trunc = 1.2622e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 50, age = 8208\n",
      "Energy = -0.1905829697128496, S = 1.5790195098994400, norm_err = 1.0e-14\n",
      "Current memory usage 146.9 MB, time elapsed: 139.9 s\n",
      "Delta E = 1.9187e-08, Delta S = -7.1969e-05 (per sweep)\n",
      "max_trunc_err = 5.4848e-04, max_E_trunc = 1.2784e-03\n",
      "MPS bond dimensions: [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "================================================================================\n",
      "DMRG finished after 50 sweeps.\n",
      "total size = 8208, maximum chi = 45\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000017+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=45 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  64 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1909007212538511, S = nan, norm_err = 2.4e-06\n",
      "Current memory usage 157.5 MB, time elapsed: 77.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.7558e-04, max_E_trunc = 4.5165e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1909060442836351, S = nan, norm_err = 3.8e-07\n",
      "Current memory usage 157.5 MB, time elapsed: 107.7 s\n",
      "Delta E = -5.3230e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.3525e-04, max_E_trunc = 4.1222e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1909071106731872, S = 1.6563325213508673, norm_err = 1.2e-14\n",
      "Current memory usage 157.5 MB, time elapsed: 127.2 s\n",
      "Delta E = -1.0664e-07, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.6567e-04, max_E_trunc = 4.0507e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1909072742192753, S = 1.6556709691198706, norm_err = 1.0e-14\n",
      "Current memory usage 157.5 MB, time elapsed: 147.3 s\n",
      "Delta E = -1.6355e-08, Delta S = -6.6155e-05 (per sweep)\n",
      "max_trunc_err = 1.6980e-04, max_E_trunc = 4.1369e-04\n",
      "MPS bond dimensions: [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 64\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000129+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=64 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  90 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1958164101347985, S = nan, norm_err = 2.3e-06\n",
      "Current memory usage 174.8 MB, time elapsed: 90.6 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 4.0385e-04, max_E_trunc = 6.4567e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1958200367226889, S = nan, norm_err = 3.7e-07\n",
      "Current memory usage 174.8 MB, time elapsed: 125.5 s\n",
      "Delta E = -3.6266e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 3.7302e-04, max_E_trunc = 6.3936e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1958206098291460, S = 2.8387724493610076, norm_err = 6.4e-15\n",
      "Current memory usage 174.8 MB, time elapsed: 148.4 s\n",
      "Delta E = -5.7311e-08, Delta S = nan (per sweep)\n",
      "max_trunc_err = 1.8639e-04, max_E_trunc = 6.3917e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1958210018195056, S = 2.8390993862197411, norm_err = 6.8e-15\n",
      "Current memory usage 174.8 MB, time elapsed: 172.2 s\n",
      "Delta E = -3.9199e-08, Delta S = 3.2694e-05 (per sweep)\n",
      "max_trunc_err = 1.8355e-04, max_E_trunc = 6.3121e-04\n",
      "MPS bond dimensions: [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 90\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000005+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=90 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  128 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1960926091282585, S = nan, norm_err = 1.5e-06\n",
      "Current memory usage 208.4 MB, time elapsed: 94.4 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.6225e-05, max_E_trunc = 8.3777e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1960926801336657, S = nan, norm_err = 2.5e-07\n",
      "Current memory usage 208.4 MB, time elapsed: 139.1 s\n",
      "Delta E = -7.1005e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 5.5469e-05, max_E_trunc = 8.2647e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1960926828006985, S = 2.8610661508370150, norm_err = 5.5e-15\n",
      "Current memory usage 208.4 MB, time elapsed: 166.6 s\n",
      "Delta E = -2.6670e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 2.7721e-05, max_E_trunc = 8.2645e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1960926919269047, S = 2.8611111636194129, norm_err = 5.2e-15\n",
      "Current memory usage 208.4 MB, time elapsed: 195.1 s\n",
      "Delta E = -9.1262e-10, Delta S = 4.5013e-06 (per sweep)\n",
      "max_trunc_err = 2.7692e-05, max_E_trunc = 8.3632e-05\n",
      "MPS bond dimensions: [128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 128\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2588: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(i1, Gl, Wr)\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [67, 65, 65, 69, 70, 72, 74, 76, 73, 79, 89, 84, 92, 85, 91, 84, 78, 83, 90, 83, 91, 83, 88, 85, 78, 82, 88, 84, 90, 79, 84, 82, 76, 78, 83, 83, 91, 86, 89, 82, 78, 78, 83, 79, 94, 85, 93, 87]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.2996019174305274e-08+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [67, 65, 65, 69, 70, 72, 74, 76, 73, 79, 89, 84, 92, 85, 91, 84, 78, 83, 90, 83, 91, 83, 88, 85, 78, 82, 88, 84, 90, 79, 84, 82, 76, 78, 83, 83, 91, 86, 89, 82, 78, 78, 83, 79, 94, 85, 93, 87]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=128 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  181 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.0000072537182303, S = nan, norm_err = 9.7e-07\n",
      "Current memory usage 255.1 MB, time elapsed: 154.5 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5445e-05, max_E_trunc = 8.1738e-10\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.0000072537195976, S = nan, norm_err = 1.6e-07\n",
      "Current memory usage 255.1 MB, time elapsed: 217.9 s\n",
      "Delta E = -1.3673e-13, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 1.5165e-05, max_E_trunc = 8.0347e-10\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.0000072537196078, S = 2.8712798056027431, norm_err = 6.8e-15\n",
      "Current memory usage 255.1 MB, time elapsed: 258.4 s\n",
      "Delta E = -1.0158e-15, Delta S = nan (per sweep)\n",
      "max_trunc_err = 7.5738e-06, max_E_trunc = 8.0392e-10\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.0000072537193788, S = 2.8712971820011943, norm_err = 7.0e-15\n",
      "Current memory usage 255.1 MB, time elapsed: 299.4 s\n",
      "Delta E = 2.2902e-14, Delta S = 1.7376e-06 (per sweep)\n",
      "max_trunc_err = 7.5809e-06, max_E_trunc = 8.0491e-10\n",
      "MPS bond dimensions: [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 181\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.000000000000007+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, 181]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=181 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  256 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1961563437513174, S = nan, norm_err = 4.7e-07\n",
      "Current memory usage 381.8 MB, time elapsed: 247.7 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.1743e-06, max_E_trunc = 9.8993e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1961563653399381, S = nan, norm_err = 8.4e-08\n",
      "Current memory usage 381.8 MB, time elapsed: 356.8 s\n",
      "Delta E = -2.1589e-09, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 6.0583e-06, max_E_trunc = 9.8034e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1961563677402841, S = 2.8765643703832424, norm_err = 6.0e-15\n",
      "Current memory usage 381.8 MB, time elapsed: 431.4 s\n",
      "Delta E = -2.4003e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.0244e-06, max_E_trunc = 9.8038e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1961563664609945, S = 2.8765715868255199, norm_err = 5.3e-15\n",
      "Current memory usage 381.8 MB, time elapsed: 505.7 s\n",
      "Delta E = 1.2793e-10, Delta S = 7.2164e-07 (per sweep)\n",
      "max_trunc_err = 3.0269e-06, max_E_trunc = 9.8116e-06\n",
      "MPS bond dimensions: [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 256\n",
      "================================================================================\n",
      "Before the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000124+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=256 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n",
      "Reading 'Lx'=6 for config KitaevHoneycombModel\n",
      "Reading 'Ly'=4 for config KitaevHoneycombModel\n",
      "Reading 'conserve'='parity' for config KitaevHoneycombModel\n",
      "Reading 'S'=0.5 for config KitaevHoneycombModel\n",
      "Reading 'order'='Cstyle' for config KitaevHoneycombModel\n",
      "Reading 'bc'='periodic' for config KitaevHoneycombModel\n",
      "Reading 'shift'=0 for config KitaevHoneycombModel\n",
      "Reading 'bc_MPS'='infinite' for config KitaevHoneycombModel\n",
      "Reading 'Jx'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jy'=1.0 for config KitaevHoneycombModel\n",
      "Reading 'Jz'=1.0 for config KitaevHoneycombModel\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n",
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "================================================================================\n",
      "==============================START==============================\n",
      "================================================================================\n",
      "Chi =  362 \n",
      "\n",
      "Subconfig 'trunc_params'=Config(<6 options>, 'trunc_params') for config TwoSiteDMRGEngine\n",
      "Initial sweeps...\n",
      "Reading 'start_env'=10 for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      "..........\n",
      "Reading 'N_sweeps_check'=10 for config TwoSiteDMRGEngine\n",
      "Reading 'max_sweeps'=200 for config TwoSiteDMRGEngine\n",
      "Reading 'max_E_err'=1e-06 for config TwoSiteDMRGEngine\n",
      "Reading 'max_S_err'=0.0001 for config TwoSiteDMRGEngine\n",
      "Reading 'mixer'=True for config TwoSiteDMRGEngine\n",
      "Subconfig 'mixer_params'=Config(<4 options>, 'mixer_params') for config TwoSiteDMRGEngine\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 10, age = 2448\n",
      "Energy = -0.1961598180335429, S = nan, norm_err = 4.2e-07\n",
      "Current memory usage 660.2 MB, time elapsed: 474.3 s\n",
      "Delta E = nan, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 9.0520e-07, max_E_trunc = 1.4206e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 20, age = 3888\n",
      "Energy = -0.1961610923421588, S = nan, norm_err = 9.5e-08\n",
      "Current memory usage 660.2 MB, time elapsed: 682.5 s\n",
      "Delta E = -1.2743e-07, Delta S = 0.0000e+00 (per sweep)\n",
      "max_trunc_err = 7.7610e-07, max_E_trunc = 1.3035e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Convergence criterium reached with enabled mixer.\n",
      "disable mixer and continue\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 30, age = 5328\n",
      "Energy = -0.1961610949239324, S = 2.8791276834814270, norm_err = 8.2e-15\n",
      "Current memory usage 660.2 MB, time elapsed: 804.5 s\n",
      "Delta E = -2.5818e-10, Delta S = nan (per sweep)\n",
      "max_trunc_err = 3.8510e-07, max_E_trunc = 1.3038e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "Updating environment\n",
      ".....\n",
      "================================================================================\n",
      "sweep 40, age = 6768\n",
      "Energy = -0.1961610950284391, S = 2.8791322317291512, norm_err = 8.2e-15\n",
      "Current memory usage 660.2 MB, time elapsed: 933.8 s\n",
      "Delta E = -1.0451e-11, Delta S = 4.5482e-07 (per sweep)\n",
      "max_trunc_err = 3.8497e-07, max_E_trunc = 1.3041e-06\n",
      "MPS bond dimensions: [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362]\n",
      "================================================================================\n",
      "DMRG finished after 40 sweeps.\n",
      "total size = 6768, maximum chi = 362\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/networks/mps.py:2609: UserWarning: canonical_form_infinite: project to smaller bond dimension\n",
      "  Gl, Wr = self._canonical_form_correct_left(j1, Gl, Wr_list[j1 % L])\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Before the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 360, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 361, 362, 362, 362, 362]\n",
      "Canonicalizing...\n",
      "The norm is:  1.0\n",
      "The overlap is:  (1.0000000000000313+0j)\n",
      "After the canonicalization:\n",
      "Bond dim =  [362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 360, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 362, 361, 362, 362, 362, 362]\n",
      "Computing properties\n",
      "Optimizing\n",
      "Loop for chi=362 done.\n",
      "================================================================================\n",
      "============================== END ==============================\n",
      "================================================================================\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/tenpy/tools/params.py:225: UserWarning: unused option ['dtype'] for config KitaevHoneycombModel\n",
      "\n",
      "  warnings.warn(msg.format(keys=sorted(unused), name=self.name))\n"
     ]
    }
   ],
   "source": [
    "Lx = 6\n",
    "Ly = 4\n",
    "\n",
    "chi_list = [int(2**i) for i in np.arange(3, 9, 0.5)]\n",
    "\n",
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi)\n",
    "#     mixer = (chi <= 64)\n",
    "    result = run_atomic(\n",
    "        Jx=J, Jy=J, Jz=J, \n",
    "        Lx=Lx, Ly=Ly, \n",
    "        chi=chi,\n",
    "        shift=shift,\n",
    "        bc=bc, bc_MPS=bc_MPS,\n",
    "        initial_psi=initial_psi,\n",
    "    )\n",
    "    initial_psi = result['psi'].copy()\n",
    "    result_dict[param] = result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "ename": "AttributeError",
     "evalue": "'NoneType' object has no attribute 'correlation_length'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-12-06ef90114006>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0minitial_psi\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcorrelation_length\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mAttributeError\u001b[0m: 'NoneType' object has no attribute 'correlation_length'"
     ]
    }
   ],
   "source": [
    "initial_psi.correlation_length()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "chi=  8\n",
      "chi=  11\n",
      "chi=  16\n",
      "chi=  22\n",
      "chi=  32\n",
      "chi=  45\n",
      "chi=  64\n",
      "chi=  90\n",
      "Super Large Xi, \n",
      "(array([1.       +0.j, 0.9984849+0.j]), [<npc.Array shape=(8100,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>, <npc.Array shape=(8100,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>])\n",
      "chi=  128\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/home/jerry/anaconda3/lib/python3.7/site-packages/ipykernel_launcher.py:8: UserWarning: Correlation length: largest eigenvalue not one. Not in canonical form/normalized?\n",
      "  \n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "chi=  181\n",
      "Super Large Xi, \n",
      "(array([1.        +0.j, 0.99997861+0.j]), [<npc.Array shape=(32761,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>, <npc.Array shape=(32761,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>])\n",
      "chi=  256\n",
      "Super Large Xi, \n",
      "(array([1.+0.j, 1.+0.j]), [<npc.Array shape=(65536,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>, <npc.Array shape=(65536,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>])\n",
      "chi=  362\n",
      "Super Large Xi, \n",
      "(array([1.       +0.j, 0.9999997+0.j]), [<npc.Array shape=(131044,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>, <npc.Array shape=(131044,) charge=ChargeInfo([2], ['parity']) labels=['(vL.vL*)']>])\n"
     ]
    }
   ],
   "source": [
    "initial_psi = None\n",
    "for chi in chi_list:\n",
    "    param = (J, J, J, Lx, Ly, chi)\n",
    "#     mixer = (chi <= 64)\n",
    "    result = result_dict[param]\n",
    "    psi = result['psi']\n",
    "    print(\"chi= \", chi)\n",
    "    xi = (psi.correlation_length())\n",
    "    if xi > 1e4:\n",
    "        print(\"Super Large Xi, \")\n",
    "        tm = TransferMatrix(bra=psi, ket=psi)\n",
    "        print(tm.eigenvectors(num_ev=2))\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "12"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(result_dict)"
   ]
  }
 ],
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