Superconducting diamagnetism near the percolation threshold
- 1 January 1983
- journal article
- Published by EDP Sciences in Journal de Physique Lettres
- Vol. 44 (2) , 65-71
- https://doi.org/10.1051/jphyslet:0198300440206500
Abstract
A scaling theory for the diamagnetic susceptibility, χ, and the upper critical field, Hc2, of random mixtures of superconducting and insulating elements is presented. In two dimensions, the new critical exponent in this theory is related to other percolation exponents. The resulting predictions for Hc2 are compared with experiments on InGe filmsKeywords
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