Experimental entropic test of state-independent contextuality via single photons
arXiv:2001.01498 · doi:10.1103/PhysRevA.101.060101
Abstract
Recently, an inequality satisfied by non-contextual hidden-variable models and violated by quantum mechanics for all states of a four-level system has been derived based on information-theoretic distance approach to non-classical correlations. In this work, we experimentally demonstrate violation of this inequality with single photons. Our experiment offers a method to study a distinction between quantum and classical correlations from an information-theoretic perspective.
arXiv comment6 pages, 4 figures
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