What is the value of the superconducting gap of a F/S/F trilayer ?

dc.creatorMélin, R.
dc.creatorFeinberg, D.
dc.date2003-08-01
dc.date2003-10-20
dc.date.accessioned2026-07-07T06:33:47Z
dc.date.available2026-07-07T06:33:47Z
dc.descriptionBased on the model of F/S/F trilayer with atomic thickness [A. Buzdin and M. Daumens, cond-mat/0305320] we discuss the relative roles of pair-breaking and proximity effects, as a function of the exchange field, of disorder and of a finite thickness in the superconducting layer. The exchange field can be small (weak ferromagnets) or large (strong ferromagnets) compared to the superconducting gap. With weak ferromagnets we show the existence of a reentrant superconducting gap for the F/S/F trilayer with atomic thickness in the parallel alignment (equivalent to the F/S bilayer). Qualitatively small disorder is equivalent to reducing the value of the hopping parameters. In the presence of a finite thickness in the superconducting layer the superconducting gap in the antiparallel alignment is larger than in the parallel alignment, meaning that pair breaking dominates over the proximity effect.
dc.description7 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0308007
dc.identifierhttp://arxiv.org/abs/cond-mat/0308007
dc.identifierEurophys. Lett. 65, 96 (2004)
dc.identifierdoi:10.1209/epl/i2003-10051-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/99309
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titleWhat is the value of the superconducting gap of a F/S/F trilayer ?
dc.typetext

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