Edge spin accumulation: spin Hall effect without bulk spin current

Details Edge spin accumulation: spin Hall effect without bulk spin current Edge spin accumulation: spin Hall effect without bulk spin current

2009-09-17

arxiv.org/abs/0909.3156v1

Phys. Rev. B 81, 113304 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

Spin accumulation in a 2D electron gas with Rashba spin-orbit interaction subject to an electric field can take place without bulk spin currents (edge spin Hall effect). This is demonstrated for the collisional regime using the non-equilibrium distribution function determined from the standard Boltzmann equation. Spin accumulation originates from interference of incident and reflected electron waves at the sample boundary.

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