Electron spin transport through an Aharonov-Bohm ring - a spin switch
文献类型：期刊论文
| 作者 | Jia, CL; Wang, SJ; Luo, HG; An, JH; Jia, CL , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China. |
| 刊名 | JOURNAL OF PHYSICS-CONDENSED MATTER
 |
| 出版日期 | 2004 |
| 卷号 | 16期号:12页码:2043-2052 |
| 关键词 | Berry Phase Persistent Currents Quantum Oscillations Mesoscopic Systems Pancharatnam Phase Orbit Interaction Magnetic-field Anandan Phase Conductance |
| ISSN号 | 0953-8984 |
| 英文摘要 | Electron spin transport through an Aharonov-Bohm ring driven by time-dependent inhomogeneous magnetic fields is treated. The system possesses an su(2)(l) x su(2)(s) dynamical symmetry in both orbital angular momentum space and spin space, and is thus proved to be integrable according to algebraic dynamics. Based on the analytical solutions, the relevant physical quantities such as electric current, spin current, magnetization and conductance are calculated. It is found that for a magnetic field with pi/2 twist angle, the direction of spin-polarization will be reversed at zero magnetic flux. In the resonant rotating magnetic field, the spin transmission is oscillating with time t, and can reach unity, so that a complete spin flip can also be induced. The results obtained may be of practical significance for the design of nano-electromagnetic spin devices, such as a spin switch, in a controllable way. |
| 学科主题 | Physics |
| URL标识 | 查看原文 |
| WOS记录号 | WOS:000221102900017 |
| 公开日期 | 2012-08-30 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/14106]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 通讯作者 | Jia, CL , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Jia, CL,Wang, SJ,Luo, HG,et al. Electron spin transport through an Aharonov-Bohm ring - a spin switch[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2004,16(12):2043-2052. |
| APA | Jia, CL,Wang, SJ,Luo, HG,An, JH,&Jia, CL , Lanzhou Univ, Dept Modern Phys, Lanzhou 730000, Peoples R China..(2004).Electron spin transport through an Aharonov-Bohm ring - a spin switch.JOURNAL OF PHYSICS-CONDENSED MATTER,16(12),2043-2052. |
| MLA | Jia, CL,et al."Electron spin transport through an Aharonov-Bohm ring - a spin switch".JOURNAL OF PHYSICS-CONDENSED MATTER 16.12(2004):2043-2052. |
入库方式： OAI收割
来源：理论物理研究所
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