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A perturbation operator problem

  1. Dec 19, 2012 #1
    hi,my friends.I have a perturbation operator problem.
    why this formula is right?how to deduce it?a is bohr radius.
    thank you!!

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  2. jcsd
  3. Dec 19, 2012 #2


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    Staff: Mentor

    You could add more context to your question.
    <2s|V|2p,m=0> can be evaluated if you know how the orbitals look like. It is an integral which (probably) gives the result 3eaE.
  4. Dec 19, 2012 #3
    thank you!!2s 2p orbital is the hydrogen atom orbital ,they are degenerate.
    thank you again!!
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