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Theory about magnetic monopoles?

  1. May 17, 2007 #1
    I've heard some random arguments about magnetic monopoles, and don't know what I should think about them yet. I can see that such electromagnetic field could not be described by the usual potential [tex]A^\mu[/tex]. Is there some modified potential that allows magnetic monopoles? Is there a lagrangian density from which a modified Maxwell's equations could be derived?
  2. jcsd
  3. May 18, 2007 #2
    You should try to take a look at this article:

    "Theory of Magnetic Monopoles and Electric-Magnetic Duality"

    Just do a google search for that title.
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