Quantum spin transport through Aharonov--Bohm ring with a tangent magnetic field |
| |
Authors: | Li Zhi-Jian |
| |
Affiliation: | Institute of Theoretical Physics, Shanxi University,Taiyuan 030006, China |
| |
Abstract: | Quantum spin transport in a mesoscopic Aharonov--Bohm ring with two leads subject to a magnetic field with circular configuration is investigated by means of one-dimensional quantum waveguide theory.Within the framework of Landauer--B\"{u}ttiker formalism, the polarization direction of transmitted electrons can be controlled either by the AB magnetic flux or by the tangent magnetic field. In particular, the spin flips can be induced by hopping the AB magnetic flux or the tangent field. |
| |
Keywords: | quantum spin transport Aharonov--Bohm ring quantum waveguide theory |
本文献已被 维普 等数据库收录! |
| 点击此处可从《中国物理 B》浏览原始摘要信息 |
|
点击此处可从《中国物理 B》下载免费的PDF全文 |
|