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Homework Help: Find magnetic interaction energy(eV) of electron

  1. Aug 7, 2008 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations


    3. The attempt at a solution
    I thought this was very simple until I re-read it after solving. In the n=1 state for an electron isnt ml equal to 0? so U=0*stuff = 0 but then part b says is there any moment interation for the state so it confused me and now I think I have done it incorrectly. I assume uz is the magnetic moment in terms of Sz but where does the ms=-1/2 come into play? Am I completely going in the wrong direction?
    thank you
  2. jcsd
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