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Confused by D'alembertian operator in EM

  1. Mar 30, 2007 #1

    neu

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    I can't understand how the D'Alembertian x 4-vector Vector potential = mu x 4-vector J



    Have

    [tex]\nambla^2\A-1\c^2\ frac{ \partial^{2}A}{\partial {t}^{2} } } = \-mu\J[/tex]
     
    Last edited: Mar 30, 2007
  2. jcsd
  3. Mar 30, 2007 #2

    neu

    User Avatar

    forget it i can't do the font
     
  4. Mar 30, 2007 #3
    Last edited by a moderator: Apr 22, 2017
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