Theory of Spin Hall conductivity in n-doped GaAs

Details Theory of Spin Hall conductivity in n-doped GaAs Theory of Spin Hall conductivity in n-doped GaAs

2005-05-21

arxiv.org/abs/cond-mat/0505535v1

Phys. Rev. Lett. 95, 166605 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.95.166605

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 conductance. Applying the theory to bulk n-GaAs, without any free parameters, we find spin currents that are in reasonable agreement with recent experiments by Kato et al. [Science 306, 1910 (2004)].

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