Temperature and Purity Dependence of the Superconducting Critical Field, <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi>H</mi></mrow><mrow><mi>c</mi><mn>2</mn><mn></mn></mrow></msub></mrow></math></span>. III. Electron Spin and Spin-Orbit Effects

N. R. Werthamer; E. Helfand; P. C. Hohenberg

doi:10.1103/PhysRev.147.295

Temperature and Purity Dependence of the Superconducting Critical Field, $H_{c 2}$ . III. Electron Spin and Spin-Orbit Effects

N. R. Werthamer, E. Helfand, and P. C. Hohenberg

Phys. Rev. 147, 295 – Published 8 July 1966

Abstract

A previously obtained solution of the linearized Gor'kov equations for the upper critical magnetic field $H_{c 2}$ of a bulk type-II superconductor is extended to include the effects of Pauli spin paramagnetism and spin-orbit impurity scattering. To carry out the calculation, it is necessary to introduce an approximation which assumes that spin-orbit scattering is infrequent in comparison with spin-independent scattering. It is found that spin-orbit scattering counteracts the effects of the spin paramagnetism in limiting the critical field and improves agreement between theory and experiment.

Received 12 November 1965

DOI:https://doi.org/10.1103/PhysRev.147.295

Authors & Affiliations

N. R. Werthamer, E. Helfand, and P. C. Hohenberg

Bell Telephone Laboratories, Murray Hill, New Jersey

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Vol. 147, Iss. 1 — July 1966

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