Understanding spin Hall effect in two-dimensional fermionic systems with generic spin-orbit interaction in III-V heterostructures

被引：3

作者：

Paul, Boudhayan ^{[1
]}

Ghosh, Tarun Kanti ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Phys, Kanpur 208016, Uttar Pradesh, India

来源：

PHYSICS LETTERS A | 2015年 / 379卷 / 07期

关键词：

SEMICONDUCTORS; ELECTRON;

D O I：

10.1016/j.physleta.2014.11.060

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We delve into spin Hall effect in generic spin-orbit coupled two-dimensional fermionic systems. We derive analytically the spin-orbit force responsible for the spin Hall effect, and find that it has 'Lorentz force'-like form. We also derive the pseudo-magnetic field responsible for this force. We establish the relation between the spin Hall conductivity, flux quanta and this pseudo-magnetic field, similar to the one between charge Hall conductivity, flux quanta and the external field. We also present an. exact closed-form expression of the spin Hall conductivity in a generic spin-orbit coupled system. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：728 / 731

页数：4

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