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Commutation relation for L_3 and phi

  1. Feb 17, 2008 #1
    Hi, just wondering whether the commutation relation [tex][\phi,L_3]=i\hbar[/tex] holds and similar uncertainty relation such as involving X and Px can be derived ?

    thanks
     
  2. jcsd
  3. Feb 18, 2008 #2

    malawi_glenn

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    testing that commutator is simple, since [tex] L_z \sim \frac{d}{d\phi} [/tex], let the commutator act on a function [tex] F(r,\phi,\theta)[/tex] and then you\ll have it.

    The same thing for [x,P_x]
     
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