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Filtering spin with tunnel-coupled electron wave guides

M. Governale, D. Boese, U. Zülicke, and C. Schroll
Phys. Rev. B 65, 140403(R) – Published 28 March 2002
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Abstract

We show how momentum-resolved tunneling between parallel electron wave guides can be used to observe and exploit lifting of spin degeneracy due to Rashba spin-orbit coupling. A device is proposed that achieves spin filtering without using ferromagnets or the Zeeman effect.

  • Received 30 October 2001

DOI:https://doi.org/10.1103/PhysRevB.65.140403

©2002 American Physical Society

Authors & Affiliations

M. Governale, D. Boese, U. Zülicke, and C. Schroll

  • Institut für Theoretische Festkörperphysik, Universität Karlsruhe, D-76128 Karlsruhe, Germany

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Issue

Vol. 65, Iss. 14 — 1 April 2002

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