Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2005-06-28
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.
Chao Koung-An
Chu Chong-Sun
Mal'shukov Anatoly G.
Wang Li-Yan
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