Gapless Fermi Surfaces in Superconducting CeCoIn5?

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dc.creatorBarzykin, Victor
dc.creatorGor'kov, L. P.
dc.date2006-06-07
dc.date2006-08-23
dc.date.accessioned2026-07-07T08:24:08Z
dc.date.available2026-07-07T08:24:08Z
dc.descriptionAccording to [M.A. Tanatar et al., Phys. Rev. Lett. 95, 067002 (2005)], in a multi-band d-wave superconductor CeCoIn5 electrons remain partially uncondensed. Interactions must induce superconducting order on all Fermi surfaces. We calculate specific heat and thermal conductivity in a two band model in presence of defects. Superconductivity originates on one Fermi surface, inducing a smaller gap on the other. Impurities diminish the induced gap and increase the density of states, restoring rapidly the Wiedemann-Franz law for this Fermi surface. Our calculations are in agreement with experiment.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0606191
dc.identifierhttp://arxiv.org/abs/cond-mat/0606191
dc.identifierPhys. Rev. B 76, 014509 (2007)
dc.identifierdoi:10.1103/PhysRevB.76.014509
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136243
dc.subjectSuperconductivity
dc.titleGapless Fermi Surfaces in Superconducting CeCoIn5?
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