On the position operator for massless particles
classification
🪐 quant-ph
keywords
masslessparticlesoperatorpositioncomponentsalwayscommutationcommuting
read the original abstract
It is always stated that the position operator for massless particles has non-comutting components. It is shown that the reason is that the commutation relations between coordinates and momenta differs for massive and massless particles. The correct one for massless particles and a position operator with commuting components are derived.
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