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Fluctuating pancake vortices revealed by dissipation of Josephson vortex lattice

hal.structure.identifierMaterials Science Division
dc.contributor.authorKOSHELEV, A. E.
hal.structure.identifierInstitut universitaire de France [IUF]
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorBUZDIN, Alexandre I.
hal.structure.identifierDepartment of Electronic Science and Engineering
dc.contributor.authorKAKEYA, I.
hal.structure.identifierNational Institute for Materials Science [NIMS]
dc.contributor.authorYAMAMOTO, T.
hal.structure.identifierNational Institute for Materials Science [NIMS]
dc.contributor.authorKADOWAKI, K.
dc.date.created2011-04-04
dc.date.issued2011-06-27
dc.identifier.issn1098-0121
dc.description.abstractEnIn strongly anisotropic layered superconductors in tilted magnetic fields the Josephson vortex lattice coexists with the lattice of pancake vortices. Due to the interaction between them, the dissipation of the Josephson-vortex lattice occurs to be very sensitive to the presence of the pancake vortices. If the c-axis magnetic field is smaller then the corresponding lower critical field, the pancake stacks are not formed but the individual pancakes may exist in the fluctuational regime either near surface in large-size samples or in the central region for small-size mesas. We calculate the contribution of such fluctuating pancake vortices to the c-axis conductivity of the Josephson vortex lattice and compare the theoretical results with measurements on small mesas fabricated out of Bi$_{2}$Sr$_{2}$CaCu$_{2}$O$_{8+\delta}$ crystals. A fingerprint of fluctuating pancakes is characteristic exponential dependence of the c-axis conductivity observed experimentally. Our results provide strong evidence of the existence of the fluctuating pancakes and their influence on the Josephson-vortex-lattice dissipation.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enFluctuating pancake vortices revealed by dissipation of Josephson vortex lattice
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.83.224515
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Supraconductivité [cond-mat.supr-con]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Mécanique statistique [cond-mat.stat-mech]
dc.identifier.arxiv1104.0659
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.page224515 (1-11)
bordeaux.volume83
bordeaux.issue22
bordeaux.peerReviewedoui
hal.identifierhal-00617994
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00617994v1
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