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Cross product relating B, E and direction of propogation?

  1. Mar 30, 2004 #1
    Is there a cross product that releates the magnetic field, electric field, and direction of propogation?

  2. jcsd
  3. Mar 30, 2004 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Poynting Vector

    Yes, the Poynting vector:
    [tex]\vec{S} = \frac{1}{\mu_0} \vec{E} \times \vec{B}[/tex]
  4. Mar 31, 2004 #3
    Thank you!
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