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Theory of magnetically polarizable superconductors

Theory of magnetically polarizable superconductors Superconductors containing a magnetically polarizable medium under an applied magnetic field are discussed theoretically. It is shown that instead of the Pauli limiting field found by Chandrasekhar and Clogston for nonmagnetic superconductors, the maximum critical field is limited by the effect of the susceptibility Xf due to the polarizable medium and is greatly reduced as Xf increases, indicating the appearance of the first-order phase transition from the superconducting to the normal state. The magnetic behavior of the ferromagnet superconductor ErRh4B4 under applied fields is analyzed in terms of this idea. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

Theory of magnetically polarizable superconductors

Journal of Low Temperature Physics , Volume 53 (4) – Nov 6, 2004

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References (18)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1007/BF00682486
Publisher site
See Article on Publisher Site

Abstract

Superconductors containing a magnetically polarizable medium under an applied magnetic field are discussed theoretically. It is shown that instead of the Pauli limiting field found by Chandrasekhar and Clogston for nonmagnetic superconductors, the maximum critical field is limited by the effect of the susceptibility Xf due to the polarizable medium and is greatly reduced as Xf increases, indicating the appearance of the first-order phase transition from the superconducting to the normal state. The magnetic behavior of the ferromagnet superconductor ErRh4B4 under applied fields is analyzed in terms of this idea.

Journal

Journal of Low Temperature PhysicsSpringer Journals

Published: Nov 6, 2004

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