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Homework Help: Commutation of operators in QM

  1. Oct 19, 2009 #1
    Can somebody please explain the following?

    Given the measurements of 2 different physical properties are represented by two different operators, why is it possible to know exactly and simultaneously the values for both of the measured quantities only if the operators commute?
  2. jcsd
  3. Oct 19, 2009 #2


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    What attempts have you made at this problem?
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