Theory of Spin Hall Conductivity in-Doped GaAs
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- 13 October 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 95 (16) , 166605
- https://doi.org/10.1103/physrevlett.95.166605
Abstract
We develop a theory of extrinsic spin currents in semiconductors, resulting from spin-orbit coupling at charged scatterers, which leads to skew-scattering and side-jump contributions to the spin-Hall conductivity. Applying the theory to bulk -GaAs, without any free parameters, we find spin currents that are in reasonable agreement with experiments by Kato et al. [ Science 306, 1910 (2004)].
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