2003•NanotechnologyOpen access
Spin–orbit-induced semiconductor spin guides
Manuel Val n-Rodr guez, Antonio Puente, Llorenç Serra
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Abstract
The tunability of the Rashba spin–orbit (SO) coupling allows us to model semiconductor heterostructures with space-modulated coupling intensities. We show that a wire-shaped SO modulation in a quantum well can support propagating electronic states inside the wire only for certain spin orientations, and therefore it acts as an effective spin transmission guide for this particular spin orientation.
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