Equilibrium First-Order Melting and Second-Order Glass Transitions of the Vortex Matter in Bi$_2$Sr$_2$CaCu$_2$O$_8$

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dc.creatorBeidenkopf, H.
dc.creatorAvraham, N.
dc.creatorMyasoedov, Y.
dc.creatorShtrikman, H.
dc.creatorZeldov, E.
dc.creatorRosenstein, B.
dc.creatorBrandt, E. H.
dc.creatorTamegai, T.
dc.date2005-11-13
dc.date.accessioned2026-07-07T06:46:04Z
dc.date.available2026-07-07T06:46:04Z
dc.descriptionThe thermodynamic $H-T$ phase diagram of Bi$_2$Sr$_2$CaCu$_2$O$_8$ was mapped by measuring local \emph{equilibrium} magnetization $M(H,T)$ in presence of vortex `shaking'. Two equally sharp first-order magnetization steps are revealed in a single temperature sweep, manifesting a liquid-solid-liquid sequence. In addition, a second-order glass transition line is revealed by a sharp break in the equilibrium $M(T)$ slope. The first- and second-order lines intersect at intermediate temperatures, suggesting the existence of four phases: Bragg glass and vortex crystal at low fields, glass and liquid at higher fields.
dc.description5 pages, 4 figures. To be published in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0511313
dc.identifierhttp://arxiv.org/abs/cond-mat/0511313
dc.identifierPhys. Rev. Lett. 95, 257004 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.257004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103222
dc.subjectSuperconductivity
dc.subjectStatistical Mechanics
dc.titleEquilibrium First-Order Melting and Second-Order Glass Transitions of the Vortex Matter in Bi$_2$Sr$_2$CaCu$_2$O$_8$
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