Correlation lengths for vortex-liquid freezing in a model of layered high-temperature superconductors

A. Zamora

doi:10.1103/PhysRevB.69.054506

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Correlation lengths for vortex-liquid freezing in a model of layered high-temperature superconductors

A. Zamora

DOI 10.1103/PhysRevB.69.054506 · Physical Review B

T1

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Abstract

We present results from extensive numerical simulations on the Lawrence-Doniach model within the lowest Landau-level approximation in the unconventional spherical geometry. We study the in-layer pancake vortex density-density correlation function (intralayer structure factor) and the layer-to-layer order-parameter correlation function along the direction perpendicular to the layers. Our results show strong evidence for the existence of a single first-order phase transition at which both interlayer coupling and appearance of crystalline order in the in-layer vortex correlations take place as temperature is lowered.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown