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Homework Help: Need help with a quantum chemistry problem

  1. Apr 9, 2009 #1
    I'm really struggling on even getting started on this problem. I have read the chapter several times now and I have tried to understand the explanations in the chapter. But I can't even get this problem started. All I ask is if anyone knows how to do this, can you just get me started or point me in the right direction so I can then take it from there?

    Thanks for any help.

    Prove the theorem <K|H|L> = (N!)1/2 <KHP|H|L>

    where |KHP> is the Hartree product corresponding to the determinant |K>, i.e.

    |K> = |Xm(X1)Xn(X2)...>


    |KHP> = Xm(X1)Xn(X2)...

    Prove this theorem

    This problem is from "Modern Quantum Chemistry" by Szabo & Ostlund for anyone who is wondering.
  2. jcsd
  3. Apr 9, 2009 #2
    I think I posted this question in the wrong part of these forums. I'm sorry about this.
  4. Apr 10, 2009 #3


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    Science Advisor

    Well, start by writing both sides out as integrals, which can be separated into sums of single-particle wave function-integrals, and see what cancels out.
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