Pairing correlations near a Kondo-destruction quantum critical point

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dc.citation.firstpage201109(R)en_US
dc.citation.issueNumber20en_US
dc.citation.journalTitlePhysical Review Ben_US
dc.citation.volumeNumber91en_US
dc.contributor.authorPixley, J.H.en_US
dc.contributor.authorDeng, Lilien_US
dc.contributor.authorIngersent, Kevinen_US
dc.contributor.authorSi, Qimiaoen_US
dc.date.accessioned2016-06-10T19:50:42Z
dc.date.available2016-06-10T19:50:42Z
dc.date.issued2015en_US
dc.description.abstractMotivated by the unconventional superconductivity observed in heavy-fermion metals, we investigate pairing susceptibilities near a continuous quantum phase transition of the Kondo-destruction type. We solve two-impurity Bose-Fermi Anderson models with Ising and Heisenberg forms of the interimpurity exchange interaction using continuous-time quantum Monte Carlo and numerical renormalization-group methods. Each model exhibits a Kondo-destruction quantum critical point separating Kondo-screened and local-moment phases. For antiferromagnetic interimpurity exchange interactions, singlet pairing is found to be enhanced in the vicinity of the transition. Implications of this result for heavy-fermion superconductivity are discussed.en_US
dc.identifier.citationPixley, J.H., Deng, Lili, Ingersent, Kevin, et al.. "Pairing correlations near a Kondo-destruction quantum critical point." <i>Physical Review B,</i> 91, no. 20 (2015) American Physical Society: 201109(R). http://dx.doi.org/10.1103/PhysRevB.91.201109.
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevB.91.201109en_US
dc.identifier.urihttps://hdl.handle.net/1911/90502
dc.language.isoengen_US
dc.publisherAmerican Physical Society
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.titlePairing correlations near a Kondo-destruction quantum critical pointen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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