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Angular Momentum Expectation Values help for noobie

  1. Nov 26, 2007 #1
    For a particle in the state Y(l=3, m=+2), how do I find <Lx^2> + <Ly^2> ? I'm lost. THanks!
  2. jcsd
  3. Nov 26, 2007 #2


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    Science Advisor

    1) You can do it by brute force - compute the relevant integrals (I don't advocate this method).

    2) Consider the following useful fact:

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