The nondissipative spin Hall current in a nonuniform Rashba effect system

被引：2
|
作者：
Wang, L. G. [1 ]
Huang, Y. L. [1 ]
机构：
[1] Shenyang Univ, Coll Sci, Shenyang 110044, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2012年 / 152卷 / 20期
关键词：
Spin-orbit interaction; Spin transport; Spin Hall effect;
D O I：
10.1016/j.ssc.2012.07.025
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The spin Hall current in a two-dimensional electron system with nonuniform Rashba spin-orbit interaction (SOI) is investigated by means of the lattice Green's function method. Large electric and spin Hall currents are produced by this nonuniform Rashba SOI, while the electric Hall current vanishes in the uniform Rashba SOI system. A nondissipative spin Hall current is also produced, without any longitudinal voltage bias, any external magnetic field and any special class of band insulators. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1890 / 1892
页数：3
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