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A theory of the upper critical field in antiferromagnetic superconductors

Mahanti, SD and Sinha, KP and Atre, MV (1981) A theory of the upper critical field in antiferromagnetic superconductors. In: Journal of Low Temperature Physics, 44 (1-2). pp. 1-10.

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Abstract

A generalized Ginzburg-Landau approach is used to study the nonmonotonic temperature dependence of the upper critical field H c 2(T) in antiferromagnetic superconductors RE(Mo)6S8; RE = Dy, Tb, Gd. It is found that electrodynamic effects incorporated through screening and indirect coupling between the staggered magnetization M Q (T) and superconducting order parameter psgr cannot explain the observed nonmonotonicity. This suggests that the direct coupling between the two order parameters should be considered to understand the experimental results, a finding which is consistent with recent microscopic calculations.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer Netherlands.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 12 Jan 2010 10:34
Last Modified: 19 Sep 2010 05:45
URI: http://eprints.iisc.ernet.in/id/eprint/23387

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