Universal Critical Dynamic Form of the Vortex-Lattice Melting Line

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dc.creatorTaylor, B. J.
dc.creatorMaple, M. B.
dc.date2005-10-29
dc.date.accessioned2026-07-07T06:45:41Z
dc.date.available2026-07-07T06:45:41Z
dc.descriptionA modified form of the vortex-lattice melting line is arrived at by incorporating the effects of critical behavior at the melting transition. Beginning with the universal form established by Blatter and Ivlev [Physical Review Letters 70, 2621 (1993)] which includes both thermal and quantum fluctuations, we then use the vortex relaxation time of a vortex-glass with a finite transition temperature that follows from the scaling theory of Fisher, Fisher, and Huse [Physical Review B, 43, 130 (1991)]. This new form of the melting line is demonstrated to fit over the entire melting line of Y(1-x)Pr(x)Ba2Cu3O6.97 (x = 0 - 0.4) samples within the temperature range 0.03 < T/Tc < 1 (H < 45 tesla) implying no crossover in dynamics from 3D to 2D. Generically it can be seen that a change in dimensionality of the vortex fluctuations along the melting line must be accompanied by a corresponding change in the critical exponents nu and z. Such a change is observed for the highly anisotropic cuprate superconductor Bi2Sr2CaCu2O8.
dc.description4 journal format pages, 3 figures, submitted to PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/0510808
dc.identifierhttp://arxiv.org/abs/cond-mat/0510808
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103115
dc.subjectSuperconductivity
dc.titleUniversal Critical Dynamic Form of the Vortex-Lattice Melting Line
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