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Spin particles not in a magnetic field

  1. Oct 29, 2012 #1
    If spin particles are in [itex]\vec{B} = 0[/itex], then is it impossible to determine their magnetic moment at a given time given any investigative method?
  2. jcsd
  3. Oct 29, 2012 #2

    Vanadium 50

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    I think you could use something like Aharonov-Bohm: create a region where B is 0 but A is not and interfere. Alternatively, you could accelerate these particles and measure their electric polarization (a moving magnetization becomes a polarization)
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