Composite to tilted vortex lattice transition in $Bi_2 Sr_2 CaCu_2 O_{8+δ}$ in oblique fields

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dc.creatorKonczykowski, Marcin
dc.creatorVan Der Beek, Cornelis Jacominus
dc.creatorKoshelev, Alexei E.
dc.creatorMosser, Vincent
dc.creatorDodgson, Matthew
dc.creatorKes, Pieter H.
dc.date2007-03-19
dc.date.accessioned2026-07-07T07:52:27Z
dc.date.available2026-07-07T07:52:27Z
dc.descriptionPrecision measurements of the vortex phase diagram in single crystals of the layered superconductor Bi$_{2}$Sr$_{2}$CaCu$_{2}$O$_{8+δ}$ in oblique magnetic fields confirm the existence of a second phase transition, in addition to the usual first order vortex lattice melting line $H_{m}(T)$. The transition has a strong first order character, is accompanied by strong hysteresis, and intersects the melting line in a tricritical point ($H_{m}^{\perp}$, $H^{\parallel}_{cr}$). Its field dependence and the changing character of the melting line at the tricritical point strongly suggest that the ground state for magnetic fields closely aligned with the superconducting layers is a lattice of uniformly tilted vortex lines.
dc.identifierhttps://arxiv.org/abs/cond-mat/0703482
dc.identifierhttp://arxiv.org/abs/cond-mat/0703482
dc.identifierPhysical review letters 97 (07/2006) 237005
dc.identifierdoi:10.1103/PhysRevLett.97.237005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125884
dc.subjectSuperconductivity
dc.titleComposite to tilted vortex lattice transition in $Bi_2 Sr_2 CaCu_2 O_{8+δ}$ in oblique fields
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