Tripartite nonlocality and continuous-variable entanglement in thermal states of trapped ions

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dc.contributor.authorLi, Jie
dc.contributor.authorFogarty, Thomás
dc.contributor.authorCormick, Cecilia
dc.contributor.authorGoold, John
dc.contributor.authorBusch, Thomas
dc.contributor.authorPaternostro, Mauro
dc.contributor.funderEngineering and Physical Sciences Research Council
dc.contributor.funderAlexander von Humboldt-Stiftung
dc.contributor.funderEuropean Commission
dc.contributor.funderIrish Research Council for Science, Engineering and Technology
dc.contributor.funderScience Foundation Ireland
dc.date.accessioned2017-08-22T10:30:38Z
dc.date.available2017-08-22T10:30:38Z
dc.date.issued2011
dc.description.abstractWe study a system of three trapped ions in an anisotropic bidimensional trap. By focusing on the transverse modes of the ions, we show that the mutual ion-ion Coulomb interactions set entanglement of a genuine tripartite nature, to some extent persistent to the thermal nature of the vibronic modes. We tackle this issue by addressing a nonlocality test in the phase space of the ionic system and quantifying the genuine residual tripartite entanglement in the continuous variable state of the transverse modes.en
dc.description.sponsorshipScience Foundation Ireland (05/IN/I852, SFI 05/IN/I852); Irish Research Council for Science, Engineering and Technology (Marie Curie International Mobility fellowship and the Embark initiative RS/2009/1082); Engineering and Physical Sciences Research Council (EP/G004579/1)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid22321
dc.identifier.citationLi, J., Fogarty, T., Cormick, C., Goold, J., Busch, T. and Paternostro, M. (2011) 'Tripartite nonlocality and continuous-variable entanglement in thermal states of trapped ions', Physical Review A, 84(2), 022321 (7pp). doi: 10.1103/PhysRevA.84.022321en
dc.identifier.doi10.1103/PhysRevA.84.022321
dc.identifier.issn1050-2947
dc.identifier.issued2
dc.identifier.journaltitlePhysical Review Aen
dc.identifier.urihttps://hdl.handle.net/10468/4510
dc.identifier.volume84
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP1::ICT/247687/EU/Atomic QUantum TEchnologies/AQUTE
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP1::ICT/249958/EU/The physics of Ion Coulomb Crystals: Thermodynamics, Quantum control, and Quantum Simulators./PICC
dc.relation.urihttps://journals.aps.org/pra/abstract/10.1103/PhysRevA.84.022321
dc.rights© 2011, American Physical Societyen
dc.subjectQuadrupole storage-ring|Wigner functionen
dc.subjectQuantumen
dc.subjectBellen
dc.titleTripartite nonlocality and continuous-variable entanglement in thermal states of trapped ionsen
dc.typeArticle (peer-reviewed)en
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