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19 April 2024

» arxiv » cond-mat/0203569

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Electron Double Refraction in Hybrid Systems with Rashba Spin-Orbit Coupling
V. Marigliano Ramaglia ; V. Cataudella ; G. De Filippis ; C.A. Perroni ; F. Ventriglia ;
Date:	27 Mar 2002
Subject:	Mesoscopic Systems and Quantum Hall Effect \| cond-mat.mes-hall
Abstract:	We study the scattering of an electron in a definite state of spin at an interface of an hybrid system with a Rashba spin-orbit coupling on one side. Out of the normal incidence the double refraction phenomenon appears, with one or two limit angles for the total reflection. We show that this double refraction gives rise to a spin-dependent conductance of a Quantum Point Contact separating a ferromagnet and a two dimensional electron gas. The birefringence allows the spin filtering with a single interface.
Source:	arXiv, cond-mat/0203569
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