Filtering spin with tunnel-coupled electron wave guides
classification
❄️ cond-mat.mes-hall
keywords
spinelectronfilteringguideswaveachievescouplingdegeneracy
read the original 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.
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