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Why does the magnetic moment of a nucleon line up with a uniform magnetic field?

  1. Dec 21, 2011 #1
    I thought the external magnetic field had to vary within an object in order for that object's magnetic moment to line up with the field.
  2. jcsd
  3. Dec 21, 2011 #2


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    Classically, a magnetic moment experiences a torque when in an external magnetic field that forces it to line up with the field. This applies to nuclear moments as well.
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