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Homework Help: Photon and the absence of longitudinal polarization

  1. Aug 15, 2009 #1
    1. The problem statement, all variables and given/known data

    What property of the photon is responsible for the absence of longitudinal polarization?

    2. Relevant equations

    3. The attempt at a solution

    I thought it is because of the presence of its angular momentum. Is it true?
  2. jcsd
  3. Aug 18, 2009 #2


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    Homework Helper

    It is a gauge choice (depending on what you mean by the photon). See Coulomb gauge.
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