A general interpolation scheme for thermal fluctuations in superconductors

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dc.creatorMarotta, L.
dc.creatorCamarda, M.
dc.creatorAngilella, G. G. N.
dc.creatorSiringo, F.
dc.date2005-07-25
dc.date2006-02-12
dc.date.accessioned2026-07-07T06:41:25Z
dc.date.available2026-07-07T06:41:25Z
dc.descriptionWe present a general interpolation theory for the phenomenological effects of thermal fluctuations in superconductors. Fluctuations are described by a simple gauge invariant extension of the gaussian effective potential for the Ginzburg-Landau static model. The approach is shown to be a genuine variational method, and to be stationary for infinitesimal gauge variations around the Landau gauge. Correlation and penetration lengths are shown to depart from the mean field behaviour in a more or less wide range of temperature below the critical regime, depending on the class of material considered. The method is quite general and yields a very good interpolation of the experimental data for very different materials.
dc.descriptionsome misprints have been corrected in Eq.(15),(19); more references and comments have been added
dc.identifierhttps://arxiv.org/abs/cond-mat/0507577
dc.identifierhttp://arxiv.org/abs/cond-mat/0507577
dc.identifierPhysical Review B73, 104517 (2006)
dc.identifierdoi:10.1103/PhysRevB.73.104517
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101662
dc.subjectSuperconductivity
dc.titleA general interpolation scheme for thermal fluctuations in superconductors
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