Orthogonality catastrophe and decoherence in a trapped-fermion environment

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dc.contributor.author Sindona, Antonello
dc.contributor.author Goold, John
dc.contributor.author Lo Gullo, Nicola
dc.contributor.author Lorenzo, S.
dc.contributor.author Plastina, Francesco
dc.date.accessioned 2017-09-04T09:02:30Z
dc.date.available 2017-09-04T09:02:30Z
dc.date.issued 2013
dc.identifier.citation Sindona, A., Goold, J., Lo Gullo, N., Lorenzo, S. and Plastina, F. (2013) 'Orthogonality catastrophe and decoherence in a trapped-fermion environment', Physical Review Letters, 111(16), 165303 (5pp). doi: 10.1103/PhysRevLett.111.165303 en
dc.identifier.volume 111
dc.identifier.issued 16
dc.identifier.issn 0031-9007
dc.identifier.issn 1079-7114
dc.identifier.uri http://hdl.handle.net/10468/4614
dc.identifier.doi 10.1103/PhysRevLett.111.165303
dc.description.abstract The Fermi-edge singularity and the Anderson orthogonality catastrophe describe the universal physics which occurs when a Fermi sea is locally quenched by the sudden switching of a scattering potential, leading to a brutal disturbance of its ground state. We demonstrate that the effect can be seen in the controllable domain of ultracold trapped gases by providing an analytic description of the out-of-equilibrium response to an atomic impurity, both at zero and at finite temperature. Furthermore, we link the transient behavior of the gas to the decoherence of the impurity, and to the degree of the non-Markovian nature of its dynamics. en
dc.description.sponsorship Irish Research Council for Science, Engineering and Technology (Embark Initiative (RS/2009/1082); Ministero dell’Istruzione, dell’Università e della Ricerca (FIRB 2012 RBFR12NLNA) 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/prl/abstract/10.1103/PhysRevLett.111.165303
dc.rights © 2013, American Physical Society en
dc.subject X-ray absorption en
dc.subject Carbon nanotubes en
dc.subject Kondo problem en
dc.subject Metals en
dc.subject Singularities en
dc.subject Emission en
dc.subject Dynamics en
dc.subject Polarons en
dc.title Orthogonality catastrophe and decoherence in a trapped-fermion environment en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother John Goold, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: jgoold@phys.ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000326147600012
dc.contributor.funder Ministero dell’Istruzione, dell’Università e della Ricerca
dc.contributor.funder Irish Research Council for Science, Engineering and Technology
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review Letters en
dc.internal.IRISemailaddress jgoold@phys.ucc.ie en
dc.identifier.articleid 165303


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