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Is this correct

  1. Jul 29, 2011 #1

    BWV

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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?

    296ebfb900298b88e8f5ba9f793dc93c.png

    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

    so

    edd53c9f1001e42bb424104f7c283eda.png
     
  2. jcsd
  3. Jul 29, 2011 #2

    mathman

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    Science Advisor
    Gold Member

    Looks good.
     
  4. Jul 29, 2011 #3

    BWV

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    Great, thanks for looking at it
     
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