Two phase transitions in (d(x2-y2)+is)-wave superconductors

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dc.contributor.authorGhosh, A.
dc.contributor.authorAdhikari, S. K.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:06:51Z
dc.date.available2014-05-20T14:06:51Z
dc.date.issued1999-09-01
dc.description.abstractWe study numerically the temperature dependencies of specific heat, susceptibility, penetration depth, and thermal conductivity of a coupled (d(x2-y2) + is)-wave Bardeen-Cooper-Schrieffer (BCS) superconductor in the presence of a weak s-wave component (1) on square lattice and (2) on a lattice with orthorhombic distortion. As the temperature is lowered past the critical temperature T-c, a less ordered superconducting phase is created in d(x2-y2) wave, which changes to a more ordered phase in (d(x2-y2) + is) wave at T-c1. This manifests in two second-order phase transitions. The two phase transitions are identified by two jumps in specific heat at T-c and T-c1. The temperature dependencies of the superconducting observables exhibit a change from power-law to exponential behavior as temperature is lowered below T-c1 and confirm the new phase transition. (C) 1999 Elsevier B.V. B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.format.extent37-44
dc.identifierhttp://dx.doi.org/10.1016/S0921-4534(99)00401-3
dc.identifier.citationPhysica C. Amsterdam: Elsevier B.V., v. 322, n. 1-2, p. 37-44, 1999.
dc.identifier.doi10.1016/S0921-4534(99)00401-3
dc.identifier.issn0921-4534
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/23465
dc.identifier.wosWOS:000083004500006
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhysica C
dc.relation.ispartofjcr1.453
dc.relation.ispartofsjr0,492
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectd(x2-y2) + is-wave superconductorpt
dc.subjectspecific heatpt
dc.subjectsusceptibilitypt
dc.subjectthermal conductivitypt
dc.titleTwo phase transitions in (d(x2-y2)+is)-wave superconductorsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes8031087349809439
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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