Filtering spin with tunnel-coupled electron wave guides

2001/08/31 by M. Governale, Michele Governale, Daniel Boese +5 · 2 citations
Physics and Astronomy · #Magnetic properties of thin films #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevb.65.140403

published as Phys. Rev. B 65, 140403(R) (2002) · 4 pages, 4 figures, RevTex4

arxiv created 2002/01/28 · openalex publication_date 2002/03/28 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

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.

Citations

• Controlled wave-function mixing in strongly coupled one-dimensional wires

Cited by

• Quantum rings as electron spin beam splitters
• Theory of spin-charge-coupled transport in a two-dimensional electron gas with Rashba spin-orbit interactions