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Polarization of a single photon has to be treated in a QM framework , but there is no need for that with normal sources. Also, polarization as a degree of free
by sharikous 5y ago
Polarization of a single photon has to be treated in a QM framework , but there is no need for that with normal sources.
Also, polarization as a degree of freedom arises out of symmetry considerations, and that's what you learn in QFT.