Quantum state transfer in the presence of nonhomogeneous external potentials

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dc.contributor.author Giorgi, Gian Luca
dc.contributor.author Busch, Thomas
dc.date.accessioned 2017-08-22T08:56:57Z
dc.date.available 2017-08-22T08:56:57Z
dc.date.issued 2013
dc.identifier.citation Giorgi, G. L. and Busch, T. (2013) 'Quantum state transfer in the presence of nonhomogeneous external potentials', Physical Review A, 88(6), 062309. (5pp). doi: 10.1103/PhysRevA.88.062309 en
dc.identifier.volume 88
dc.identifier.issued 6
dc.identifier.issn 1050-2947
dc.identifier.issn 1094-1622
dc.identifier.uri http://hdl.handle.net/10468/4484
dc.identifier.doi 10.1103/PhysRevA.88.062309
dc.description.abstract Heisenberg-type spin models in the limit of a low number of excitations are useful tools to study basic mechanisms in strongly correlated and magnetic systems. Many of these mechanisms can be experimentally tested using ultracold atoms. Here, we discuss the implementation of a quantum state transfer protocol in a tight-binding chain in the presence of an inhomogeneous external potential. We show that it can be used to extend the parameter range in which high-fidelity state transfer can be achieved beyond the well established weak-coupling regime. Among the class of mirror-reflecting potentials that allow for high fidelity quantum state transfer, the harmonic case is especially relevant because it allows us to formulate a proposal for the experimental implementation of the protocol in the context of optical lattices. en
dc.description.sponsorship Science Foundation Ireland (10/IN.1/I2979) 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.88.062309
dc.rights © 2013, American Physical Society en
dc.subject Atomic mott insulator en
dc.subject Ultracold atoms en
dc.subject Transition en
dc.subject Superfluid en
dc.subject Phase en
dc.subject Gas en
dc.title Quantum state transfer in the presence of nonhomogeneous external potentials 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:000328568800003
dc.contributor.funder Compagnia di San Paolo
dc.contributor.funder Science Foundation Ireland
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review A en
dc.internal.IRISemailaddress thbusch@phys.ucc.ie en
dc.identifier.articleid 62309

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