Entangling two defects via a surrounding crystal

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dc.contributor.authorFogarty, Thomás
dc.contributor.authorKajari, E.
dc.contributor.authorTaketani, Bruno G.
dc.contributor.authorWolf, A.
dc.contributor.authorBusch, Thomas
dc.contributor.authorMorigi, Giovanna
dc.contributor.funderBundesministerium für Bildung und Forschung
dc.contributor.funderDeutsche Forschungsgemeinschaft
dc.contributor.funderIrish Research Council
dc.contributor.funderSeventh Framework Programme
dc.date.accessioned2017-08-22T08:56:58Z
dc.date.available2017-08-22T08:56:58Z
dc.date.issued2013
dc.description.abstractWe theoretically show how two impurity defects in a crystalline structure can be entangled through coupling with the crystal. We demonstrate this with a harmonic chain of trapped ions in which two ions of a different species are embedded. Entanglement is found for sufficiently cold chains and for a certain class of initial, separable states of the defects. It results from the interplay between localized modes which involve the defects and the interposed ions, it is independent of the chain size, and it decays slowly with the distance between the impurities. These dynamics can be observed in systems exhibiting spatial order; viable realizations are optical lattices, optomechanical systems, or cavity arrays in circuit QED.en
dc.description.sponsorshipBundesministerium für Bildung und Forschung (QuOREp); Irish Research Council (Embark Initiative (RS/2009/1082)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid50304
dc.identifier.citationFogarty, T., Kajari, E., Taketani, B. G., Wolf, A., Busch, T. and Morigi, G. (2013) 'Entangling two defects via a surrounding crystal', Physical Review A, 87(5), 050304. (5pp). doi: 10.1103/PhysRevA.87.050304en
dc.identifier.doi10.1103/PhysRevA.87.050304
dc.identifier.issn1050-2947
dc.identifier.issued5
dc.identifier.journaltitlePhysical Review Aen
dc.identifier.urihttps://hdl.handle.net/10468/4491
dc.identifier.volume87
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.87.050304
dc.rights© 2013, American Physical Societyen
dc.subjectOpen quantum-systemsen
dc.subjectTrapped ionsen
dc.subjectEntanglementen
dc.subjectComputationen
dc.subjectDynamicsen
dc.subjectDecoherenceen
dc.subjectDrivenen
dc.subjectStatesen
dc.titleEntangling two defects via a surrounding crystalen
dc.typeArticle (peer-reviewed)en
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