Influence of spin－orbit coupling induced by in-plane external electric field on the intrinsic spin-Hall effect in a Rashba two-dimensional electron gas

doi:10.1088/1674-1056/19/4/047203

Abstract We study theoretically the influence of spin--orbit coupling induced by in-plane external electric field on the intrinsic spin-Hall effect in a two-dimensional electron gas with Rashba spin--orbit coupling. We show that, after such an influence is taken into account, the static intrinsic spin-Hall effect can be stabilized in a disordered Rashba two-dimensional electron gas, and the static intrinsic spin-Hall conductivity shall exhibit some interesting characteristics as conceived in some original theoretical proposals.

Keywords: Rashba spin--orbit coupling spin--orbit coupling induced by in-plane external electric field spin-Hall effect

Received: 08 October 2008
Revised: 13 September 2009
Accepted manuscript online:

PACS:	72.20.My	(Galvanomagnetic and other magnetotransport effects)
	72.25.-b	(Spin polarized transport)
	73.63.-b	(Electronic transport in nanoscale materials and structures)
	71.70.Ej	(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
	73.21.-b	(Electron states and collective excitations in multilayers, quantum wells, mesoscopic, and nanoscale systems)

Fund: Project supported by the National Natural Science Foundation of China (Grant No.~10874049), the State Key Program for Basic Research of China (Grant No.~2007CB925204) and the Natural Science Foundation of Guangdong Province of China (Grant No.~07005834).

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Yan Yu-Zhen(颜玉珍) and Hu Liang-Bin(胡梁宾) Influence of spin－orbit coupling induced by in-plane external electric field on the intrinsic spin-Hall effect in a Rashba two-dimensional electron gas 2010 Chin. Phys. B 19 047203

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Influence of spin－orbit coupling induced by in-plane external electric field on the intrinsic spin-Hall effect in a Rashba two-dimensional electron gas

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