Nonsinusoidal current-phase relation in SFS Josephson junctions

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Various types of the current-phase relation I(phi) in superconductor-ferromagnet-superconductor (SFS) point contacts and planar double-barrier junctions are studied within the quasiclassical theory in the limit of thin diffusive ferromagnetic interlayers. The physical mechanisms leading to highly nontrivial I(phi) dependence are identified by studying the spectral supercurrent density. These mechanisms are also responsible for the 0-pi transition in SFS Josephson junctions.
5 pages, 5 EPS figures; the style file jetpl.cls is included. Version 2: minor corrections

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Superconductivity, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/97363

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0204568
 http://arxiv.org/abs/cond-mat/0204568
 JETP Letters 75, 588 (2002); 76, 231 (2002) [Pis'ma v ZhETF 75, 709 (2002); 76, 268 (2002)]
 doi:10.1134/1.1500729 10.1134/1.1517391

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arXiv