Filtering spin with tunnel-coupled electron wave guides
- 28 March 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 65 (14) , 140403
- https://doi.org/10.1103/physrevb.65.140403
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.Keywords
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