Spin-Hall effect on edge magnetization and electric conductance of a 2D semiconductor strip

Details Spin-Hall effect on edge magnetization and electric conductance of a 2D semiconductor strip Spin-Hall effect on edge magnetization and electric conductance of a 2D semiconductor strip

2005-06-28

arxiv.org/abs/cond-mat/0506724v2

Phys. Rev. Letters 95, 146601 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure, some changes in the text

Scientific paper

10.1103/PhysRevLett.95.146601

The intrinsic spin-Hall effect on spin accumulation and electric conductance in a diffusive regime of a 2D electron gas has been studied for a 2D strip of a finite width. It is shown that the spin polarization near the flanks of the strip, as well as the electric current in the longitudinal direction exhibit damped oscillations as a function of the width and strength of the Dresselhaus spin-orbit interaction. Cubic terms of this interaction are crucial for spin accumulation near the edges. As expected, no effect on the spin accumulation and electric conductance have been found in case of Rashba spin-orbit interaction.

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