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Poyinting vector

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  1. Sep 23, 2015 #1
    what would be the poyinting vector of beam of charged particles moving in +ve x-direction.
    S=ExH
    calculating H is fine but how to calculate the E
     
  2. jcsd
  3. Sep 26, 2015 #2

    mfb

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    Staff: Mentor

    The poynting vector is a property of the electromagnetic field, it is not a property of particles.
    If you have a continuous beam you get the same electric field as from a charged wire: radially outwards.
     
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