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