Controlling Excitation Inversion of a Cooper Pair Box Interacting with a Nanomechanical Resonator

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dc.contributor.authorValverde, C. [UNESP]
dc.contributor.authorde Oliveira, H. C. B.
dc.contributor.authorAvelar, A. T.
dc.contributor.authorBaseia, B.
dc.contributor.institutionUniversidade de Brasília (UnB)
dc.contributor.institutionUniv Estadual Goias
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Goiás (UFG)
dc.date.accessioned2014-05-20T15:30:29Z
dc.date.available2014-05-20T15:30:29Z
dc.date.issued2012-08-01
dc.description.abstractWe investigate the action of time-dependent detunings upon the excitation inversion of a Cooper pair box interacting with a nanomechanical resonator. The method employs the Jaynes-Cummings model with damping, assuming different decay rates of the Cooper pair box and various fixed and time-dependent detunings. It is shown that, when the presence of damping plus constant detunings destroys the collapse/revival effects, convenient choices of time-dependent detunings allow one to reconstruct such events in a perfect way. It is also shown that the mean excitation of the nanomechanical resonator is more robust against damping of the Cooper pair box for convenient values of time-dependent detunings.en
dc.description.affiliationUniversidade de Brasilia (UnB), Inst Quim, BR-70919970 Brasilia, DF, Brazil
dc.description.affiliationUniv Estadual Goias, BR-75132903 Anapolis, Go, Brazil
dc.description.affiliationUniv Estadual Paulista, BR-74845090 Goiania, Go, Brazil
dc.description.affiliationUniversidade Federal de Goiás (UFG), Inst Fis, BR-74001970 Goiania, Go, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, BR-74845090 Goiania, Go, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de Goiás (FAPEG)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent5
dc.identifierhttp://dx.doi.org/10.1088/0256-307X/29/8/080303
dc.identifier.citationChinese Physics Letters. Bristol: Iop Publishing Ltd, v. 29, n. 8, p. 5, 2012.
dc.identifier.doi10.1088/0256-307X/29/8/080303
dc.identifier.issn0256-307X
dc.identifier.urihttp://hdl.handle.net/11449/39851
dc.identifier.wosWOS:000307667100006
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofChinese Physics Letters
dc.relation.ispartofjcr0.847
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleControlling Excitation Inversion of a Cooper Pair Box Interacting with a Nanomechanical Resonatoren
dc.typeArtigo
dcterms.rightsHolderIop Publishing Ltd

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