deletions | additions       diff --git a/2QEnergies.tex b/2QEnergies.tex  index a1b5d71..94bcb5c 100644  --- a/2QEnergies.tex  +++ b/2QEnergies.tex 
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\begin{document}  \begin{equation}  \hat{H}_{2q}=\hbar \frac{\omega_0}{2}\hat{\adag} a \bra{cacca}  \end{equation}  \end{document}