Suppression of the Persistent Spin Hall Current by Defect Scattering

Details Suppression of the Persistent Spin Hall Current by Defect Scattering Suppression of the Persistent Spin Hall Current by Defect Scattering

2004-02-17

arxiv.org/abs/cond-mat/0402442v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Submitted to The Physical Review B

Scientific paper

10.1103/PhysRevB.70.041303

We study the linear response spin Hall conductivity of a two-dimensional electron gas (2DEG) in the presence of the Rashba spin orbit interaction in the diffusive transport regime. When defect scattering is modeled by isotropic short-range potential scatterers the spin Hall conductivity vanishes due to the vertex correction. A non-vanishing spin Hall effect may be recovered for dominantly forward defect scattering.

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