The influence of the boundary resistivity on the proximity effect

We apply the theory of Takahashi and Tachiki in order to explain theoretically the dependence of the upper critical magnetic field of a S/N multilayer on the temperature. This problem has been already investigated in the literature, but with a use of an unphysical scaling parameter for the coherence...

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Bibliographic Details
Main Authors Ciuhu, C, Lodder, A
Format Journal Article
LanguageEnglish
Published 22.06.2001
Subjects
Physics - Superconductivity
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Summary:We apply the theory of Takahashi and Tachiki in order to explain theoretically the dependence of the upper critical magnetic field of a S/N multilayer on the temperature. This problem has been already investigated in the literature, but with a use of an unphysical scaling parameter for the coherence length. We show explicitely that, in order to describe the data, such an unphysical parameter is unnecessary if one takes into account the boundary resisitivity of the S/N interface. We obtain a very good agreement with the experiments for the multilayer systems Nb/Cu and V/Ag, with various layer thicknesses.
DOI:10.48550/arxiv.cond-mat/0106461