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Spin-filtering by field dependent resonant tunneling

Ristivojevic, Zoran and Japaridze, G.I. and Nattermann, Thomas (2010) Spin-filtering by field dependent resonant tunneling. Physical Review Letters, 104 (7). 076401-1.

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Abstract

We consider theoretically transport in a spinfull one-channel interacting quantum wire placed in an external magnetic field. For the case of two point-like impurities embedded in the wire, under a small voltage bias the spin-polarized current occurs at special points in the parameter space, tunable by a single parameter. At sufficiently low temperatures complete spin-polarization may be achieved, provided repulsive interaction between electrons is not too strong.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculties/Schools > School of Natural Sciences and Engineering
Depositing User: გიორგი ჯაფარიძე
Date Deposited: 09 Feb 2014 11:57
Last Modified: 03 Apr 2015 06:17
URI: http://eprints.iliauni.edu.ge/id/eprint/937

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