Boson pairs in a one-dimensional split trap

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dc.contributor.author Murphy, D. S.
dc.contributor.author McCann, J. F.
dc.contributor.author Goold, John
dc.contributor.author Busch, Thomas
dc.date.accessioned 2017-08-25T10:08:53Z
dc.date.available 2017-08-25T10:08:53Z
dc.date.issued 2007
dc.identifier.citation Murphy, D. S., McCann, J. F., Goold, J. and Busch, T. (2007) 'Boson pairs in a one-dimensional split trap', Physical Review A, 76(5), 053616 (9pp). doi: 10.1103/PhysRevA.76.053616 en
dc.identifier.volume 76
dc.identifier.issued 5
dc.identifier.issn 1050-2947
dc.identifier.uri http://hdl.handle.net/10468/4543
dc.identifier.doi 10.1103/PhysRevA.76.053616
dc.description.abstract We describe the properties of a pair of ultracold bosonic atoms in a one-dimensional harmonic trapping potential with a tunable zero-ranged barrier at the trap center. The full characterization of the ground state is done by calculating the reduced single-particle density, the momentum distribution, and the two-particle entanglement. We derive several analytical expressions in the limit of infinite repulsion (Tonks-Girardeau limit) and extend the treatment to finite interparticle interactions by numerical solution. As pair interactions in double wells form a fundamental building block for many-body systems in periodic potentials, our results have implications for a wide range of problems. 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.76.053616
dc.rights © 2007, American Physical Society en
dc.subject Tonks-Girardeau gas en
dc.subject Impenetrable bosons en
dc.subject Quantum gases en
dc.subject Atoms en
dc.subject Entanglement en
dc.subject Photons en
dc.subject Systems en
dc.title Boson pairs in a one-dimensional split trap 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:000251326400126
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review A en
dc.internal.IRISemailaddress thbusch@phys.ucc.ie en
dc.identifier.articleid 53616


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