Recent content by migwing007

  1. M

    Recommended Texts for Self-Studying QFT?

    I'd like to learn QFT on my own, what's the best text for that? Srednicki's? what do people think of QFT demystifyed? thanks
  2. M

    Eigenvalues of Hermitian opertors

    Well, the converse of the first one would be: if the eigenfunctions of an operator are complete then the operator is hermitian. the second would be: if the eigenfunctions of an operator belonging to distinct eigenvalues are orthogonal then the operator is hermitian. and the third is: If the...
  3. M

    Eigenvalues of Hermitian opertors

    This is really bothering me I'm remembering from a while ago having to prove the converse of a theorem from Griffiths, but I can't remember which one of the following it is: Prove converse of: 1.) The eigenfunctions of a Hermitian operator are complete, 2.) Eigenfunctions of Hermitian...
  4. M

    Eigenvalues of Hermitian opertors

    I'm looking for a proof of the fact that orthogonal eigenfunctions of a Hermitian operator have distinct eigenvalues. I know the proof the converse: that eigenfunctions belonging to distinct eigenvalues are orthogonal. thanks alot!
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