Recent content by satach

in polish language is sometnihg like : expand |Ψ> in base of self functions of H ...

no, i didn't try , because i don't know how to start :D

please prove this: <Ψ|H\overline{^}|Ψ>\geqE0 function |Ψ> is normalized. prompt: (expand function |Ψ> in the eigenbasis of H operator, count average and use ortonormality of the H base) exercise 5.2.2 , p.163 , "principles of quantum mechanics" Shankar