Recent content by dustu

  1. D

    Graduate Two hermitian commutator anticommut {A,B}=AB+BA=0

    Two hermitian commutator anticommute: {A,B}=AB+BA=0.Is it possible to have a simultaneous eigenket of A and B?illustrate... Thank you in advance
  2. D

    Graduate Understanding Phonon Dispersion Relation

    yes,the phonos are quantised.They are quanta of vibrational mechanical energy.