Violation of Bell quantum probability inequalities with classical fields
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2023
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Elsevier
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Abstract
We present a violation of Bell inequalities in terms of probabilities for classical electromagnetic fields, where light intensities are converted into probabilities via the standard photon-counting equation. The violations can be ascribed to the nonlinear relation between the light intensity and the detection statistics. Finally, we develop a new Bell-like criterion to be applied in this semiclassical scenario.
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© 2022 Elsevier B.V.
L.A. and A.L. acknowledge financial support from Spanish Ministerio de Economía y Competitividad Project No. FIS2016-75199-P. L.A. acknowledges financial support from European Social Fund and the Spanish Ministerio de Ciencia, Innovación y Universidades, Contract Grant No. BES–2017–081942. We thank Dr. G. García Moreno for helpful comments.