Filtering spin with tunnel-coupled electron wave guides

Details Filtering spin with tunnel-coupled electron wave guides Filtering spin with tunnel-coupled electron wave guides

2001-08-23

arxiv.org/abs/cond-mat/0108373v2

Phys. Rev. B 65, 140403(R) (2002)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures, RevTex4

Scientific paper

10.1103/PhysRevB.65.140403

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.

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