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Physics
Quantum Physics
Transverse polarizations of a massless spin 1 particle
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[QUOTE="dextercioby, post: 5614199, member: 1064"] Your text is ambiguous (if not plain wrong) to use both classical and quantum terminology. The polarization vector is assigned to a classical em wave, while p is the photon's momentum (3 or 4-momentum, it's not clear from what you wrote). The quantum analogue to the classical wave's polarization vector is called the helicity operator. Leaving this aside, for 3. I can say that the ##\epsilon## is not unique which can be (comparing to the standard gauge field theory) thought of a gauge transformation. For 2. the answer should be obvious (hint: why are the E and B fields called transverse?). The answer to 2. automatically sheds light (pun intended!) on 1. [/QUOTE]
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Quantum Physics
Transverse polarizations of a massless spin 1 particle
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