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Photon's Probability of Passing Through Polaroid

  1. Mar 17, 2012 #1
    When I am studying photon physics, one question come to my mind about mixed states. Let a photon be in the state |h> = (a;b) where (a;b) is a column vector with complex entries. How can we calculate the probability of its passing through an x-polaroid?

    My approach: p(h->x) = |<h|x>||<h|x>|* = |a|^2.

    But I'm not sure about it.. Can anyone check this idea whether it is true or not.
     
  2. jcsd
  3. Mar 17, 2012 #2

    HallsofIvy

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    Do you mean an "x- polarized" film? "Polaroid" is a copyrighted brand name.
     
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