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Discord as a quantum resource for bi-partite communication

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dc.contributor.authorChrzanowski, Helen
dc.contributor.authorGu, Mile
dc.contributor.authorAssad, Syed
dc.contributor.authorSymul, Thomas
dc.contributor.authorModi, Kavan
dc.contributor.authorRalph, Timothy Cameron
dc.contributor.authorVedral, Vlatko
dc.contributor.authorLam, Ping Koy
dc.coverage.spatialVienna, Austria
dc.date.accessioned2015-12-10T22:23:49Z
dc.date.createdJuly 30- August 3 2012
dc.date.issued2014
dc.date.updated2015-12-09T09:11:33Z
dc.description.abstractCoherent interactions that generate negligible entanglement can still exhibit unique quantum behaviour. This observation has motivated a search beyond entanglement for a complete description of all quantum correlations. Quantum discord is a promising candidate. Here, we experimentally demonstrate that under certain measurement constraints, discord between bipartite systems can be consumed to encode information that can only be accessed by coherent quantum interactions. The inability to access this information by any other means allows us to use discord to directly quantify this 'quantum advantage'.
dc.identifier.isbn9780735412729
dc.identifier.urihttp://hdl.handle.net/1885/52979
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartofseries11th International Conference on Quantum Communication, Measurement and Computation, QCMC 2012
dc.sourceAIP Conference Proceedings
dc.titleDiscord as a quantum resource for bi-partite communication
dc.typeConference paper
local.bibliographicCitation.lastpage118
local.bibliographicCitation.startpage116
local.contributor.affiliationChrzanowski, Helen, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationGu, Mile, National University of Singapore
local.contributor.affiliationAssad, Syed, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSymul, Thomas, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationModi, Kavan, National University of Singapore
local.contributor.affiliationRalph, Timothy Cameron, University of Queensland
local.contributor.affiliationVedral, Vlatko, National University of Singapore
local.contributor.affiliationLam, Ping Koy, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidChrzanowski, Helen, u4219438
local.contributor.authoruidAssad, Syed, u4365678
local.contributor.authoruidSymul, Thomas, u4047027
local.contributor.authoruidLam, Ping Koy, u9305867
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020201 - Atomic and Molecular Physics
local.identifier.ariespublicationa383154xPUB261
local.identifier.doi10.1063/1.4903110
local.identifier.scopusID2-s2.0-84916599162
local.identifier.thomsonID000346076400031
local.type.statusPublished Version

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