deletions | additions       diff --git a/2QEnergies.tex b/2QEnergies.tex  index c2c747c..3f726d5 100644  --- a/2QEnergies.tex  +++ b/2QEnergies.tex 
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\newcommand{\Blu}[1]{\textcolor{blue}{#1}}  \begin{document}  ciao \adag \begin{equation}  \hat{H}_{2q}=\hbar \frac{\omega_0}{2}\adag a  \end{equation}  \end{document}