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Photon's spin

  1. Dec 9, 2013 #1
    Sorry if it is a silly question: Photons have spin-1 and therefore they have theoretically three possible spin states (1,0,-1), For the ±1 case I can see the relation to the ±helicity, but what corresponds physically to the 0 state case?
     
  2. jcsd
  3. Dec 9, 2013 #2

    stevendaryl

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    The spin-0 case can be eliminated through a choice of gauge. So it's not considered physical.
     
  4. Dec 9, 2013 #3

    stevendaryl

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  5. Dec 9, 2013 #4
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