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B Does weak measurement cause mixed state?

  1. Jul 1, 2016 #1
    Does a 'weak measurement' on the spin of an electron in a pure state put the electron in a mixed state of the previous state and the state of the measurement axis of the measurement?
     
  2. jcsd
  3. Jul 1, 2016 #2

    DrChinese

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    I think it is in a superposition of those states, not a mix. After a suitable weak measurement, that is.
     
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