Phase diagram of reentrant and magnetic-field-induced superconducting states with Kondo impurities in bulk and proximity-coupled compounds

Yuval B. Simons, Ora Entin-Wohlman, Yuval Oreg, and Yoseph Imry
Phys. Rev. B 86, 064509 – Published 8 August 2012

Abstract

Reentrant behavior is known to exist and magnetic-field-induced superconductivity has been predicted in superconductors with Kondo impurities. We present a simple framework for understanding these phenomena and generalize it to explain the long-standing puzzle of paramagnetic reentrance in thick proximity systems as being due to Kondo impurities.

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  • Received 29 April 2012

DOI:https://doi.org/10.1103/PhysRevB.86.064509

©2012 American Physical Society

Authors & Affiliations

Yuval B. Simons1, Ora Entin-Wohlman2,3,*, Yuval Oreg1, and Yoseph Imry1

  • 1Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel
  • 2Department of Physics, Ben-Gurion University, Beer Sheva 84105, Israel
  • 3Ilse Katz Center for Meso- and Nano-Scale Science and Technology, Ben-Gurion University, Beer Sheva 84105, Israel

  • *Also at Tel Aviv University.

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Issue

Vol. 86, Iss. 6 — 1 August 2012

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