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Paper detail

Experimental entropic test of state-independent contextuality via single photons

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.

preprint2020arXivOpen access
Dengke QuPawel KurzynskiDagomir KaszlikowskiSadegh RaeisiLei XiaoKunkun WangXiang ZhanPeng Xue
quant-ph
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Dengke QuPawel KurzynskiDagomir KaszlikowskiSadegh RaeisiLei XiaoKunkun WangXiang ZhanPeng Xue

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