The effect of k-cubic Dresselhaus spin–orbit coupling on the decay time of persistent spin helix states in semiconductor two-dimensional electron gases

doi:10.1088/1674-1056/23/2/027201

Abstract We study the theoretical effect of k-cubic (i.e. cubic-in-momentum) Dresselhaus spin–orbit coupling on the decay time of persistent spin helix states in semiconductor two-dimensional electron gases. We show that the decay time of persistent spin helix states may be suppressed substantially by k-cubic Dresselhaus spin–orbit coupling, and after taking the effect of k-cubic Dresselhaus spin–orbit interaction into account, the theoretical results obtained accord both qualitatively and quantitatively with other recent experimental results.

Keywords: persistent spin helix state Rashba spin–orbit coupling k-cubic Dresselhaus spin–orbit coupling decay time

Received: 08 April 2013
Revised: 24 July 2013
Accepted manuscript online:

PACS:	72.10.-d	(Theory of electronic transport; scattering mechanisms)
	72.20.-i	(Conductivity phenomena in semiconductors and insulators)
	73.50.Jt	(Galvanomagnetic and other magnetotransport effects)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10874049).

Corresponding Authors: Hu Liang-Bin
E-mail: lbhu26@yahoo.com

About author: 72.10.-d; 72.20.-i; 73.50.Jt

Cite this article:

Chai Zheng (柴政), Hu Mao-Jin (胡茂金), Wang Rui-Qiang (王瑞强), Hu Liang-Bin (胡梁宾) The effect of k-cubic Dresselhaus spin–orbit coupling on the decay time of persistent spin helix states in semiconductor two-dimensional electron gases 2014 Chin. Phys. B 23 027201

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The effect of k-cubic Dresselhaus spin–orbit coupling on the decay time of persistent spin helix states in semiconductor two-dimensional electron gases

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