Correlation between linear resistivity and Tc in organic and pnictide superconductors

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dc.creatorDoiron-Leyraud, Nicolas
dc.creatorAuban-Senzier, P.
dc.creatorde Cotret, S. Rene
dc.creatorSedeki, A.
dc.creatorBourbonnais, C.
dc.creatorJerome, D.
dc.creatorBechgaard, K.
dc.creatorTaillefer, Louis
dc.date2009-05-07
dc.date.accessioned2026-07-07T13:12:35Z
dc.date.available2026-07-07T13:12:35Z
dc.descriptionA linear temperature dependence of the electrical resistivity as T -> 0 is the hallmark of quantum criticality in heavy-fermion metals and the archetypal normal-state property of high-Tc superconductors, yet in both cases it remains unexplained. We report a linear resistivity on the border of spin-density-wave order in the organic superconductor (TMTSF)2X (X = PF6, ClO4), whose strength scales with the superconducting temperature Tc. This scaling, also present in the pnictide superconductors, reveals an intimate connection between linear-T scattering and pairing, shown by renormalization group theory to arise from antiferromagnetic fluctuations, enhanced by the interference of superconducting correlations. Our results suggest that linear resistivity in general may be a consequence of such interference and pairing in overdoped high-Tc cuprates is driven by antiferromagnetic fluctuations, as in organic and pnictide superconductors.
dc.identifierhttps://arxiv.org/abs/0905.0964
dc.identifierhttp://arxiv.org/abs/0905.0964
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/229625
dc.subjectSuperconductivity
dc.titleCorrelation between linear resistivity and Tc in organic and pnictide superconductors
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