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Magnetic Field Dependence of Entropy And Specific Heat of YBa2Cu3O7-delta Superconductors

Kalta, B and Nayak, P and Nanda, KK (2012) Magnetic Field Dependence of Entropy And Specific Heat of YBa2Cu3O7-delta Superconductors. In: International Journal of Modern Physics B, 26 (2).

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Official URL: http://www.worldscinet.com/ijmpb/26/2602/S02179792...


The change in thermodynamic quantities (e. g., entropy, specific heat etc.) by the application of magnetic field in the case of the high-T-c superconductor YBCO system is examined phenomenological by the Ginzburg-Landau theory of anisotropic type-II superconductors. An expression for the change in the entropy (Delta S) and change in specific heat (Delta C) in a magnetic field for any general orientation of an applied magnetic field B-a with respect to the crystallographic c-axis is obtained. The observed large reduction of specific heat anomaly just below the superconducting transition and the observed variation of entropy with magnetic field are explained quantitatively.

Item Type: Journal Article
Publication: International Journal of Modern Physics B
Publisher: World Scientific Publishing Company
Additional Information: Copyright of this article belongs to World Scientific Publishing Company.
Keywords: High-T-c superconductors;thermodynamic properties; phenomenological theory
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 27 Feb 2012 10:16
Last Modified: 27 Feb 2012 10:16
URI: http://eprints.iisc.ac.in/id/eprint/43673

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