On the applicability of the layered sine-Gordon model for Josephson-coupled high-T_c layered superconductors

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dc.creatorNandori, I.
dc.creatorJentschura, U. D.
dc.creatorNagy, S.
dc.creatorSailer, K.
dc.creatorVad, K.
dc.creatorMeszaros, S.
dc.date2007-03-28
dc.date2007-05-04
dc.date.accessioned2026-07-07T08:05:49Z
dc.date.available2026-07-07T08:05:49Z
dc.descriptionWe find a mapping of the layered sine-Gordon model to an equivalent gas of topological excitations and determine the long-range interaction potentials of the topological defects. This enables us to make a detailed comparison to the so-called layered vortex gas, which can be obtained from the layered Ginzburg-Landau model. The layered sine-Gordon model has been proposed in the literature as a candidate field-theoretical model for Josephson-coupled high-T_c superconductors, and the implications of our analysis for the applicability of the layered sine-Gordon model to high-T_c superconductors are discussed. We are led to the conjecture that the layered sine--Gordon and the layered vortex gas models belong to different universality classes. The determination of the critical temperature of the layered sine-Gordon model is based on a renormalization-group analysis.
dc.description7 pages, accepted for publication in J. Phys.: Condens. Matter
dc.identifierhttps://arxiv.org/abs/cond-mat/0703750
dc.identifierhttp://arxiv.org/abs/cond-mat/0703750
dc.identifierJ. Phys.: Condens. Matter 19 (2007) 236226
dc.identifierdoi:10.1088/0953-8984/19/23/236226
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130401
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleOn the applicability of the layered sine-Gordon model for Josephson-coupled high-T_c layered superconductors
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