2021-06

Problem 7-17 Prove Eq. (7-99) : \begin{equation} \def\ppdiff#1#2{\frac{\partial #1}{\partial #2}} \def\pdiff#1{\frac{\pa...

Problem 7-16 Show that \begin{equation} \def\pdiff#1{\frac{\partial}{\partial #1}} \Bigg\langle \chi \Bigg| x_l m\frac{x...

Problem 7-15 Show that the rule works for two successive momenta, that is, \begin{align} \Bigg\langle \chi \Bigg| m\frac...