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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/631

Title: Hardy’s nonlocality argument as a witness for postquantum correlations
Authors: Das, Subhadipa
Banik, Manik
Rai, Ashutosh
Gazi, MD Rajjak
Kunkri, Samir
Issue Date: 2013
Publisher: Phys. Rev. A
Citation: Subhadipa Das, M. Banik, Ashutosh Rai, M. R. Gazi, S. Kunkri, Hardy’s nonlocality argument as a witness for postquantum correlations, Phys. Rev. A, 2013, 87, 012112.
Abstract: Recently, Gallego et al. [Phys. Rev. Lett. 107, 210403 (2011)] proved that any future information principle aiming at distinguishing between quantum and postquantum correlation must be intrinsically multipartite in nature. We establish similar results by using the device-independent success probability of Hardy’s nonlocality argument for tripartite quantum systems. We construct an example of a tripartite Hardy correlation which is postquantum but satisfies not only the all-bipartite information principle but also the guess-your-neighbor’s-input (GYNI) inequality.
URI: http://hdl.handle.net/123456789/631
Appears in Collections:2013

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