Orbital Paramagnetism of Electrons in Proximity to a Superconductor

Christoph Bruder and Yoseph Imry
Phys. Rev. Lett. 80, 5782 – Published 29 June 1998
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Abstract

We consider the magnetic response of a normal layer ( N) coating a superconducting cylinder ( S). The diamagnetic response of the normal layer (proximity effect) is related to the formation of Andreev levels. At low energies, the density of such states goes linearly to zero which enhances the various scattering mean-free paths. As a consequence, the low-energy glancing states, which can skip along the outer boundary, can have relatively large magnetic moments that lead to a low-temperature paramagnetic correction to the Meissner result.

  • Received 7 August 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.5782

©1998 American Physical Society

Authors & Affiliations

Christoph Bruder

  • Institut für Theoretische Festkörperphysik, Universität Karlsruhe, D-76128 Karlsruhe, Germany

Yoseph Imry

  • Department of Condensed Matter Physics, Weizmann Institute of Science, IL-76100 Rehovot, Israel

Comments & Replies

Comment on “Orbital Paramagnetism of Electrons in Proximity to a Superconductor”

A. Fauchère, V. Geshkenbein, and G. Blatter
Phys. Rev. Lett. 82, 1796 (1999)

Bruder and Imry Reply:

Christoph Bruder and Yoseph Imry
Phys. Rev. Lett. 82, 1797 (1999)

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Vol. 80, Iss. 26 — 29 June 1998

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