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Homework Help: Normalizing Ψ

  1. Sep 18, 2011 #1
    1. The problem statement, all variables and given/known data
    I am doing part (A).

    2. Relevant equations

    3. The attempt at a solution

    When solving the problem, A^2 is pulled out of the integral and becomes |A|^2. Why does A become |A|?
  2. jcsd
  3. Sep 18, 2011 #2


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    The normalization constant can, in general, be complex, so when you square the modulus of the wave function, you'd get |A|2 instead of simply A2. The problem here, however, states that A is real, so you could just use A2.
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