improve photon action derivation clarity

Loosetooth · Oct 2, 2023 · 63b9e83 · 63b9e83
1 parent b6410da
commit 63b9e83
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pages/chapter7-photons.mdx b/pages/chapter7-photons.mdx
@@ -544,7 +544,7 @@ In our presentation, the action $A_p$ of a photon is given by
 
 $$
 \begin{align*}
-A_p &= 2 \ \frac{h f l_0}{c} \\
+A_p &= 2 \, hf \, \frac{l_0}{c} \\
 &= 2 \ \frac{h l_0}{2 \ l_0} \\
 &= h
 \end{align*}