The quantum electromagnetic field in the Weyl-Wigner representation
arXiv:2412.13218 · doi:10.3390/universe10120452
Abstract
The quantum electromagnetic (EM) field is formulated in the Weyl-Wigner representation (WW), which is equivalent to the standard Hilbert space one (HS). In principle it is possible to interpret within WW all experiments involving the EM field interacting with macroscopic bodies, the latter treated classically. In the WW formalism the essential difference between classical electrodynamics and the quantum theory of the EM field is\ just the assumption that there is a random EM field filling space\QTR{it}{, }i.e. the existence of a zero-point field with a Gaussian distribution for the field amplitudes. I analyze a typical optical test of a Bell inequality. The model admits an interpretation compatible with local realism, modulo a number of assumptions assumed plausible.
14 pages, no figures
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