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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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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