Friday, March 22, 2013

1303.5124 (Miguel Navascues)

All entangled states violate a Leggett inequality    [PDF]

Miguel Navascues
In this note, we prove that any set of bipartite correlations compatible with Leggett's model must necessarily correspond to the statistics generated by a separable two-qubit state. Consequently, any experiment reporting entanglement between the polarization degrees of freedom of two photons can be interpreted as a violation of Leggett's crypto-nonlocality.
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