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Homework Help: Four potential of magnetic dipole at rest

  1. Feb 6, 2006 #1
    I have some trouble with this electromagnetism problem: I need to transform the four-potential of a magnetic dipole at rest, in order to obtain it's value in a reference frame (I understand it's the Lab frame) where we see the dipole moving at v.

    I know what the magnetic vector potential is : A and the scalar potential is zero but how do I make this transform?

    Thanks for your help
  2. jcsd
  3. Feb 6, 2006 #2

    Meir Achuz

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    phi transforms like t, and A_x transforms like x in the Lorentz transform equations.
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