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Is this correct

  1. Jul 29, 2011 #1


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    I get confused by the operator algebra - this is the commutator for q & p from wikipedia
    Am I correct on the intermediate step I plugged in there?


    because of the product rule you get as the intermediate step:

    =d/dx x Ψ(x) + x d/dx Ψ(x) - x d/dx Ψ(x)

    and d/dx x =1


  2. jcsd
  3. Jul 29, 2011 #2


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    Science Advisor

    Looks good.
  4. Jul 29, 2011 #3


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    Great, thanks for looking at it
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