Alex Bukreev edited untitled.tex  over 8 years ago

Commit id: 8d213a8109b3f517a33947116246c68342eeef3e

deletions | additions      

       

\newcommand{\cketbra}[2]{\bigl|#1\!\bigm\rangle\!\bigm\langle\!#2\bigr|}  \newcommand{\cket}[1]{\bigl|#1\bigr\rangle}  Примем $\hbar=1$.