Transport observables for a FNF mesoscopic system in the extreme quantum limit regime

Souza, Andre Mauricio Conceicao de; Rodríguez-Pérez, Sergio; Macêdo, Antonio Murilo Santos

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Campo DC	Valor	Idioma
dc.contributor.author	Souza, Andre Mauricio Conceicao de	-
dc.contributor.author	Rodríguez-Pérez, Sergio	-
dc.contributor.author	Macêdo, Antonio Murilo Santos	-
dc.date.accessioned	2025-05-07T15:18:29Z	-
dc.date.available	2025-05-07T15:18:29Z	-
dc.date.issued	2010	-
dc.identifier.citation	SOUZA, A. M. C.; RODRÍGUEZ-PÉREZ, S.; MACÊDO, A. M. S. Transport observables for a FNF mesoscopic system in the extreme quantum limit regime. Journal of Physics: Conference Series, v. 200, 2010. Seção 5. Trabalho apresentado em 18º International Conference on Magnetism, 2009, [Karlsruhe]. Disponível em: https://iopscience.iop.org/article/10.1088/1742-6596/200/5/052027/pdf. Acesso em: 7 maio 2025.	pt_BR
dc.identifier.issn	1742-6596	-
dc.identifier.issn	1742-6588	-
dc.identifier.uri	https://ri.ufs.br/jspui/handle/riufs/21917	-
dc.language	eng	pt_BR
dc.publisher	IOP Publishing	pt_BR
dc.relation.ispartof	Journal of Physics: Conference Series	pt_BR
dc.subject	Ferromagnet/normal-metal/ferromagnet (FNF)	eng
dc.title	Transport observables for a FNF mesoscopic system in the extreme quantum limit regime	pt_BR
dc.type	Trabalhos em Eventos	pt_BR
dc.identifier.license	Creative Commons Atribuição 4.0 Internacional (CC BY 4.0)	pt_BR
dc.description.resumo	We study the current-induced torque for electrons on ferromagnet-normal metalferromagnet (FNF) trilayer with non-collinear magnetizations. Our system is composed of a chaotic cavity and two junctions, coupled with ideal contacts to ferromagnetic reservatories in local equilibrium by means of a small number of scattering channels. We assume that the normal part is disordered. Each junction is related to the direction of the reservoirs magnetization. The system is taken out of equilibrium causing a spin accumulation. We suppose that all elements have a length smaller than the coherence phase and the spin flip lengths. This consideration lets us neglect decoherence and spin flip processes. The conductance and torque were found numerically by employing the random-matrix theory and scattering matrix formalism for the spin-flux. The observables are presented as a function of the number of propagating channels in the extreme quantum limit regime and of the angle between the magnetizations of the different ferromagnet layers.	pt_BR
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