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Zero-magnetic-field dynamic scaling in Bi_2Sr_2CaCu_2O_8 thin films

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dc.contributor.authorSefrioui, Z.
dc.contributor.authorArias, D.
dc.contributor.authorLeon, C.
dc.contributor.authorSantamaría Sánchez-Barriga, Jacobo
dc.contributor.authorGonzález Herrera, Elvira María
dc.contributor.authorVicent López, José Luis
dc.date.accessioned2023-06-20T12:39:22Z
dc.date.available2023-06-20T12:39:22Z
dc.date.issued2004-08
dc.description©2004 The American Physical Society. This work was supported by MCYT MAT 2002-2642 and CAM 07N/0032/2002.
dc.description.abstractWe investigate the zero-magnetic-field dynamic scaling in Bi_2Sr_2CaCu_2O_8 thin films from nonlinear current-voltage (I-V) characteristics and by using the concavity criterion recently proposed by Strachan [Phys. Rev. Lett. 87, 067007 (2001)] . We find that fresh samples show a BKT-like transition with z=0.8, smaller than expected for a conventional Berezinskii-Kosterlitz- Thouless transition. The effect of sample size and finite Josephson coupling are discussed. We examine the effect of thermally-induced disorder in the oxygen sublattice finding that the BKT-like transition is suppressed by point disorder.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMCYT
dc.description.sponsorshipCAM
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/43859
dc.identifier.doi10.1103/PhysRevB.70.064502
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevB.70.064502
dc.identifier.relatedurlhttps://journals.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/52081
dc.issue.number6
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDMAT 2002-2642
dc.relation.projectID07N/0032/2002.
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.cdu537
dc.subject.keywordKosterlitz-Thouless transition
dc.subject.keywordJosephson-junction arrays
dc.subject.keyword2-Dimensional superconductors
dc.subject.keywordCritical-behavior
dc.subject.keywordVortex fluctuations
dc.subject.keywordPhase-transitions
dc.subject.keywordQuenched Disorder
dc.subject.keywordCoulomb gas
dc.subject.keywordXy Models
dc.subject.keywordSuperfluids.
dc.subject.ucmElectricidad
dc.subject.ucmElectrónica (Física)
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2202.03 Electricidad
dc.subject.unesco2211 Física del Estado Sólido
dc.titleZero-magnetic-field dynamic scaling in Bi_2Sr_2CaCu_2O_8 thin films
dc.typejournal article
dc.volume.number70
dspace.entity.typePublication
relation.isAuthorOfPublication75fafcfc-6c46-44ea-b87a-52152436d1f7
relation.isAuthorOfPublication23ae5b44-e89a-4c78-8e4a-b96258cbc04c
relation.isAuthorOfPublicatione6727f44-0bf0-46be-9cea-e0b9b33e557b
relation.isAuthorOfPublication.latestForDiscovery75fafcfc-6c46-44ea-b87a-52152436d1f7

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