Entangling two defects via a surrounding crystal

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dc.contributor.author Fogarty, Thomás
dc.contributor.author Kajari, E.
dc.contributor.author Taketani, Bruno G.
dc.contributor.author Wolf, A.
dc.contributor.author Busch, Thomas
dc.contributor.author Morigi, Giovanna
dc.date.accessioned 2017-08-22T08:56:58Z
dc.date.available 2017-08-22T08:56:58Z
dc.date.issued 2013
dc.identifier.citation Fogarty, 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.87.050304 en
dc.identifier.volume 87
dc.identifier.issued 5
dc.identifier.issn 1050-2947
dc.identifier.uri http://hdl.handle.net/10468/4491
dc.identifier.doi 10.1103/PhysRevA.87.050304
dc.description.abstract We 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.sponsorship Bundesministerium für Bildung und Forschung (QuOREp); Irish Research Council (Embark Initiative (RS/2009/1082) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.relation.uri https://journals.aps.org/pra/abstract/10.1103/PhysRevA.87.050304
dc.rights © 2013, American Physical Society en
dc.subject Open quantum-systems en
dc.subject Trapped ions en
dc.subject Entanglement en
dc.subject Computation en
dc.subject Dynamics en
dc.subject Decoherence en
dc.subject Driven en
dc.subject States en
dc.title Entangling two defects via a surrounding crystal en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Thomas Busch, Physics, University College Cork, Cork, Ireland. +353-21-490-3000. Email: thbusch@phys.ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000319617300001
dc.contributor.funder Bundesministerium für Bildung und Forschung
dc.contributor.funder Deutsche Forschungsgemeinschaft
dc.contributor.funder Irish Research Council
dc.contributor.funder Seventh Framework Programme
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review A en
dc.internal.IRISemailaddress thbusch@phys.ucc.ie en
dc.identifier.articleid 50304
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP1::ICT/247687/EU/Atomic QUantum TEchnologies/AQUTE
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP1::ICT/249958/EU/The physics of Ion Coulomb Crystals: Thermodynamics, Quantum control, and Quantum Simulators./PICC


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