Can we imagine electro-magnetic field in vakuum as a massless particle that respects(adsbygoogle = window.adsbygoogle || []).push({});

Klein-Gordon equation (instead of Electromagnetic wave equation)?

It seems to me that both equations are the same, except that the electro-magnetic field can have 2 possible polarizations (then we count them as 2 different particles?).

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# Klein-Gordon equation for electro-magnetic field?

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