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      Experimental entropic test of state-independent contextuality via single photons

      , Article Physical Review A ; Volume 101, Issue 6 , 2020 Qu, D ; Qu, D ; Kurzyński, P ; Kaszlikowski, D ; Kaszlikowski, D ; Raeisi, S ; Xiao, L ; Wang, K ; Zhan, X ; Xue, P ; Sharif University of Technology
      American Physical Society  2020
      Abstract
      Recently, an inequality satisfied by noncontextual hidden-variable models and violated by quantum mechanics for all states of a four-level system has been derived based on an information-theoretic distance approach to nonclassical correlations. In this Rapid Communication, we experimentally demonstrate the 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. © 2020 American Physical Society  
    Total 1 records