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Perturbation of 2D Oscillator along one axis

  1. Feb 28, 2012 #1
    The problem given is a perturbation on the two dimensional harmonic oscillator where the perturbation is simply: H'=-qfy.

    It seems that all of the elements of the matrix H' are zero and so constructing a diagonal matrix in the subspace is eluding me. Any ideas?
  2. jcsd
  3. Mar 1, 2012 #2
    There are nonzero diagonal elements of H'
    try n=0 and n=1
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