Topological force and torque in spin-orbit coupling systems

被引：6
|
作者：
Huang, F. J.
Qi, R.
Li, Y. D.
Liu, W. M.
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China
[2] Yunnan Univ, Sch Phys, Kunming 650091, Peoples R China
来源：
EPL | 2007年 / 79卷 / 01期
关键词：
D O I：
10.1209/0295-5075/79/10004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The topological force and torque are investigated in systems with spin-orbit coupling. It is demonstrated that the topological force and torque appears as a pure relativistic quantum effect in an electromagnetic field. The origin of both topological force and torque is the Zitterbewegung effect. Considering nonlinear behaviors of spin-orbit coupling, we address possible novel phenomena driven by the topological forces. Copyright (c) EPLA, 2007.
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页数：5
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