Renormalization effects on the upper critical field for weak electron-phonon coupling

1 January 1984

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 29 (1) , 446-451
https://doi.org/10.1103/physrevb.29.446

Abstract

We calculate the temperature dependence of the upper critical field in the presence of Pauli paramagnetism, spin-orbit coupling, and weak electron-phonon interaction. It is shown that renormalization accounts for a modification of the BCS-type theory of Werthamer, Helfand, and Hohenberg. This modification is accomplished by the renormalization procedure suggested earlier by Orlando et al.

Keywords

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