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A functional interpretation of continuous variable quantum discord

Assad, Syed; Chrzanowski, Helen; Symul, Thomas; Lam, Ping Koy; Ralph, Timothy Cameron; Gu, Mile; Vedral, Vlatko


We show that quantum discord can quantify the information advantage of a quantum processing over an optimal classical processing. We experimentally extract a lower bound on the quantum discord of a non-entangled continuous-variable quantum system.

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: 2011 Int. Quantum Electron. Conf., IQEC 2011 and Conf. Lasers and Electro-Optics, CLEO Pacific Rim 2011 Incorporating the Australasian Conf. Optics, Lasers and Spectroscopy and the Australian Conf.
DOI: 10.1109/IQEC-CLEO.2011.6194178


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