Recent content by lgnr

I have to prove that \left\langle lm | \vec{\hat{r}} \times \vec{\hat{p}} | lm\right \rangle = \left\langle lm | \vec{\hat{p}} \times \vec{\hat{r}} | lm \right \rangle, where | lm \rangle are eigenkets of angular momentum operator \hat{L}^2 And I can't figure out a way to do this...

All right, thank you all Hi, Thank you for all your replies, but as I live in Mexico it wil be kinda hard to get those books, I hope I could find them in Amazon and if you know of another service I would thank you again a lot. All right, thanks for your time and your attention LGNR

Hi, I'm looking for books about the Feymann's Path integrals for QM, which books can you recommend me? or which website could be useful Thanks for your time and attention.