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Diffstat (limited to 'latex/know/concept/time-independent-perturbation-theory/source.md')
-rw-r--r-- | latex/know/concept/time-independent-perturbation-theory/source.md | 2 |
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diff --git a/latex/know/concept/time-independent-perturbation-theory/source.md b/latex/know/concept/time-independent-perturbation-theory/source.md index 48504f4..d2b83e2 100644 --- a/latex/know/concept/time-independent-perturbation-theory/source.md +++ b/latex/know/concept/time-independent-perturbation-theory/source.md @@ -297,7 +297,7 @@ The trick is to find a Hermitian operator $\hat{L}$ (usually using symmetries of the system) which commutes with both $\hat{H}_0$ and $\hat{H}_1$: $$\begin{aligned} - \comm*{\hat{L}}{\hat{H}_0} = \comm{\hat{L}}{\hat{H}_1} = 0 + \comm*{\hat{L}}{\hat{H}_0} = \comm*{\hat{L}}{\hat{H}_1} = 0 \end{aligned}$$ So that it shares its eigenstates with $\hat{H}_0$ (and $\hat{H}_1$), |