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Freezing of the Vortex Liquid in High-$T_c$ Superconductors: A Density-Functional Approach

Sengupta, Surajit and Dasgupta, C and Krishnamurthy, HR and Menon, Gautam I (1991) Freezing of the Vortex Liquid in High-$T_c$ Superconductors: A Density-Functional Approach. In: Physical Review Letters, 67 (24). pp. 3444-3447.

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Abstract

The structure of the unpinned vortex fluid in layered oxide high-temperature superconductors is investigated numerically using appropriate classical liquid-state theory, for magnetic fields B perpendicular to the layer plane. The direct correlation function so obtained is used as input for a first-principles,parameter-free calculation of the discontinuous fluid-to-Abrikosov-lattice transition boundary $T_f(B)$.This transition boundary is found to have a shape and location similar to that observed in strongly anisotropic materials, e.g., Bi-Sr-Ca-Cu-O.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 03 Nov 2006
Last Modified: 19 Sep 2010 04:31
URI: http://eprints.iisc.ernet.in/id/eprint/8647

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