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A functional interpretation of continuous variable quantum discord

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

Description

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.

dc.contributor.authorAssad, Syed
dc.contributor.authorChrzanowski, Helen
dc.contributor.authorSymul, Thomas
dc.contributor.authorLam, Ping Koy
dc.contributor.authorRalph, Timothy Cameron
dc.contributor.authorGu, Mile
dc.contributor.authorVedral, Vlatko
dc.coverage.spatialSydney, NSW
dc.date.accessioned2015-12-13T22:57:41Z
dc.date.available2015-12-13T22:57:41Z
dc.date.createdAugust 28-September 1 2011
dc.identifier.isbn9780977565771
dc.identifier.urihttp://hdl.handle.net/1885/83081
dc.description.abstractWe 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.
dc.publisherIEEE
dc.relation.ispartofseries2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011
dc.source2011 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.
dc.subjectKeywords: Continuous variables; Functional interpretations; Lower bounds; Quantum discords; Quantum system; Optical fibers; Quantum electronics; Quantum optics; Quantum entanglement
dc.titleA functional interpretation of continuous variable quantum discord
dc.typeConference paper
local.description.notesImported from ARIES
local.description.refereedYes
dc.date.issued2011
local.identifier.absfor020500 - OPTICAL PHYSICS
local.identifier.absfor020600 - QUANTUM PHYSICS
local.identifier.ariespublicationf5625xPUB11285
local.type.statusPublished Version
local.contributor.affiliationAssad, Syed, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationChrzanowski, Helen, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSymul, Thomas, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationLam, Ping Koy, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationRalph, Timothy Cameron, University of Queensland
local.contributor.affiliationGu, Mile, National University of Singapore
local.contributor.affiliationVedral, Vlatko, National University of Singapore
local.bibliographicCitation.startpage1200
local.bibliographicCitation.lastpage1202
local.identifier.doi10.1109/IQEC-CLEO.2011.6194178
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2016-02-24T08:38:20Z
local.identifier.scopusID2-s2.0-84862062020
CollectionsANU Research Publications

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