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Wave function collapse

  1. Dec 1, 2012 #1
    1. The problem statement, all variables and given/known data
    A particle is in the state
    1/2 |1> - 1/2 |2> + 1/2 |3> - 1/2 |4>

    A detector is placed to measure state |4>. What the particle's wave function collapses into, if the detector does not find a particle

    2. Relevant equations

    <i|j> = delta (i, j)

    3. The attempt at a solution

    1/sqrt(3) ( |1> - |2> + |3>) - normalized perpendicular component
     
  2. jcsd
  3. Dec 2, 2012 #2

    BruceW

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    Homework Helper

    looks good to me, man. nice work :)
     
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