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Triplet proximity effect in FSF trilayers

Ya. V. Fominov^ab, A. A. Golubov^b, M. Yu. Kupriyanov<sup>c

a</sup> L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences
^b Department of Applied Physics, University of Twente
^c Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University

Abstract: We study the critical temperature $T_c$ of FSF trilayers (F is a ferromagnet, S is a singlet superconductor), where the triplet superconducting component is generated at noncollinear magnetizations of the F layers. An exact numerical method is employed to calculate $T_c$ as a function of the trilayer parameters, in particular, mutual orientation of magnetizations. Analytically, we consider limiting cases. Our results determine conditions which are necessary for existence of recently investigated odd triplet superconductivity in SF multilayers.

PACS: 74.45.+c, 74.62.Yb, 74.78.Fk, 75.70.Cn

Received: 27.03.2003

Language: English

 English version: Journal of Experimental and Theoretical Physics Letters, 2003, 77:9, 510–515

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