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Quantum Mechanics Measurement and Correlation

  1. Nov 21, 2008 #1
    1. The problem statement, all variables and given/known data
    Let Q^(1) be the position of some object that we wish to measure, and let Q^(2) and P^(2) be the position and momentum of the indicator variable of a measurement apparatus. Show that an interaction of the form H_int = cQ^(1)P^(2)(dirac delta(t)) will induce a correlation between the values of Q^(1) and Q(2) such that the value of Q^(2) provides a measurement of the value that Q^(1) had at time t = 0.


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
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