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Phys Rev Lett. 2007 May 4;98(18):187203. Epub 2007 May 3.

g-factor tuning and manipulation of spins by an electric current.

Author information

  • 1Institut für Halbleiter- und Festkörperphysik, Johannes Kepler Universität, A-4040 Linz, Austria.

Abstract

We investigate the Zeeman splitting of the two-dimensional electron gas in an asymmetric silicon quantum well, performing electron-spin-resonance (ESR) experiments. Applying a small dc current we observe a shift in the resonance field due to the additional current-induced Bychkov-Rashba type of spin-orbit field. We also show that a high frequency current may induce electric dipole spin resonance very efficiently. We identify different contributions to this type of ESR signal.

PMID:
17501605
[PubMed]
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