Wednesday, July 31, 2013

1307.7989 (Manik Banik et al.)

Nonlocality of pure bipartite entangled states from preparation

Manik Banik, Some Sankar Bhattacharya, Sujit K Choudhary, Guruprasad Kar, Amit Mukherjee, Arup Roy
Recently, there has been much interest in epistemic models of quantum theory. Nonlocality of a class of this model has been shown to follow even without Bell-like arguments involving measurement statistics [Phys. Rev. Lett 110 (2013) 120401]. We show preparation contextuality of any mixed qubit in all such models to demonstrate the nonlocal feature of any pure bipartite entangled state by invoking GHJW theorem.
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