heisenberg_triangular_19.yaml

basis:
  number_spins: 19
  hamming_weight: 10
  symmetries:
    # Initial layout:
    #
    #                      0,  1,  2,
    #                    3,  4,  5,  6,
    #                  7,  8,  9, 10, 11,
    #                   12, 13, 14, 15,
    #                     16, 17, 18
    #
    # Pretty picture of periodic boundary conditions:
    #
    #              2   7              11
    #                6  12          15   0
    #                 11  16  17  18   3
    #               15   0   1   2   7
    #     16  17  18   3   4   5   6  12
    #    0   1   2   7   8   9  10  11  16  17   18
    #              6  12  13  14  15   0   1   2
    #               11  16  17  18   3
    #             15   0   1   2   7
    #           18   3           6  12
    #              7              11  16
    #
    # Translation along 0 degrees
    - permutation: [15,  0,  1,
                  18,  3,  4,  5,
                 2,  7,  8,  9, 10,
                   6, 12, 13, 14,
                    11, 16, 17]
      sector: 3
hamiltonian:
  name: "Heisenberg Hamiltonian"
  terms:
    - matrix: [[1,  0,  0,  0],
               [0, -1,  2,  0],
               [0,  2, -1,  0],
               [0,  0,  0,  1]]
      sites: [[0, 1], [0, 4], [0, 3],
              [1, 2], [1, 5], [1, 4],
              [2, 7], [2, 6], [2, 5],
              [3, 4], [3, 8], [3, 7],
              [4, 5], [4, 9], [4, 8],
              [5, 6], [5, 10], [5, 9],
              [6, 12], [6, 11], [6, 10],
              [7, 8], [7, 12], [7, 6],
              [8, 9], [8, 13], [8, 12],
              [9, 10], [9, 14], [9, 13],
              [10, 11], [10, 15], [10, 14],
              [11, 16], [11, 0], [11, 15],
              [12, 13], [12, 16], [12, 11],
              [13, 14], [13, 17], [13, 16],
              [14, 15], [14, 18], [14, 17],
              [15, 0], [15, 3], [15, 18],
              [16, 17], [16, 1], [16, 0],
              [17, 18], [17, 2], [17, 1],
              [18, 3], [18, 7], [18, 2]]
observables: []
number_vectors: 2
output: "data/heisenberg_triangle_19.h5"
max_primme_block_size: 5
max_primme_basis_size: 20