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A functional interpretation of continuous variable quantum discord

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Date

2011

Authors

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

Journal Title

Journal ISSN

Volume Title

Publisher

IEEE

Abstract

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.

Description

Keywords

Keywords: Continuous variables; Functional interpretations; Lower bounds; Quantum discords; Quantum system; Optical fibers; Quantum electronics; Quantum optics; Quantum entanglement

Citation

URI

http://hdl.handle.net/1885/83081

Collections

ANU Research Publications

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.

Type

Conference paper

Book Title

Entity type

Access Statement

License Rights

DOI

10.1109/IQEC-CLEO.2011.6194178

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