Impurity scattering effect on the specific heat jump in anisotropic superconductors
G. Haran, J. Taylor, A. D. S. Nagi
Abstract
The specific heat jump at a normal-superconducting phase transition in an anisotropic superconductor with nonmagnetic impurities is calculated within a weak-coupling mean field approximation. It is shown that its dependence on the impurity concentration is remarkably different for d-wave and (d+s)-wave states. This effect may be used as a test for the presence of an s-wave admixture in the cuprates.
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