Relaxation dynamics in type-II superconductors with point-like and correlated disorder

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dc.contributor.authorDobramysl, U.en
dc.contributor.authorAssi, H.en
dc.contributor.authorPleimling, Michel J.en
dc.contributor.authorTäuber, Uwe C.en
dc.contributor.departmentPhysicsen
dc.date.accessioned2016-09-30T13:22:03Zen
dc.date.available2016-09-30T13:22:03Zen
dc.date.issued2013-05-01en
dc.description.abstractWe employ an elastic line model to investigate the steady-state properties and non-equilibrium relaxation kinetics of magnetic vortex lines in disordered type-II superconductors using Langevin molecular dynamics (LMD). We extract the dependence of the mean vortex line velocity and gyration radius as well as the mean-square displacement in the steady state on the driving current, and measure the vortex density and height autocorrelations in the aging regime. We study samples with either randomly distributed point-like or columnar attractive pinning centers, which allows us to distinguish the complex relaxation features of interacting flux lines subject to extended vs. uncorrelated disorder. Additionally, we find that our new LMD findings match earlier Monte Carlo (MC) simulation data well, verifying that these two microscopically quite distinct simulation methods lead to macroscopically very similar results for non-equilibrium vortex matter.en
dc.description.versionPublished versionen
dc.format.extent15 pagesen
dc.identifier.doihttps://doi.org/10.1140/epjb/e2013-31101-xen
dc.identifier.issn1434-6028en
dc.identifier.issue5en
dc.identifier.urihttp://hdl.handle.net/10919/73136en
dc.identifier.volume86en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000320286200037&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPhysics, Condensed Matteren
dc.subjectPhysicsen
dc.subjectHIGH-TEMPERATURE SUPERCONDUCTORSen
dc.subjectHIGH-TC SUPERCONDUCTORSen
dc.subjectBOSON LOCALIZATIONen
dc.subjectTHERMAL FLUCTUATIONSen
dc.subjectMOLECULAR-DYNAMICSen
dc.subjectVOLTAGE NOISEen
dc.subjectFLUX LIQUIDSen
dc.subjectVORTEXen
dc.subjectTRANSPORTen
dc.subjectCREEPen
dc.titleRelaxation dynamics in type-II superconductors with point-like and correlated disorderen
dc.title.serialEuropean Physical Journal Ben
dc.typeArticle - Refereeden
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/Physicsen

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