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Homework Help: Quantum: Perturbation Theory

  1. Mar 2, 2007 #1
    For a particle in a two-dimensional box. The particle is subject to perturbation V=Cxy. What are the eigenenergies and eigenfunctions of the unperturbed system and what is the first-order energy correction?
  2. jcsd
  3. Mar 2, 2007 #2
    read the rules first, before we can help you , you need to show us your work
    Last edited: Mar 2, 2007
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