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Rotation operator

  1. Jan 5, 2010 #1
    Hello,
    I got the following question. can you please help me.
    untitled.JPG

    I think that taylor may be involved but how?
     
  2. jcsd
  3. Jan 6, 2010 #2
    your problem seems to be in 2-D,
    L is L_z
    so, you can use taylor expansion of L_z
    Please consult the translational operator P_z, it is the same!
     
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