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arXiv · 2001.01498

Experimental entropic test of state-independent contextuality via single photons

Dengke Qu·Pawel Kurzynski·Dagomir Kaszlikowski·Sadegh Raeisi·Lei Xiao·Kunkun Wang·Xiang Zhan·Peng Xue
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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.

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Dengke Qu, Pawel Kurzynski, Dagomir Kaszlikowski, Sadegh Raeisi, Lei Xiao, Kunkun Wang, Xiang Zhan, Peng Xue. 2020-01-06. Experimental entropic test of state-independent contextuality via single photons. https://doi.org/10.1103/physreva.101.060101

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