The effects of nonlinear couplings and external magnetic field on the thermal entanglement in a two-spin-qutrit system
文献类型：期刊论文
| 作者 | Zhang GF ; Li SS |
| 刊名 | optics communications
 |
| 出版日期 | 2006 |
| 卷号 | 260期号:1页码:347-350 |
| 关键词 | thermal entanglement negativity nonlinear coupling magnetic field SEPARABILITY STATES |
| ISSN号 | 0030-4018 |
| 通讯作者 | zhang, gf, chinese acad sci, inst semicond, state key lab superlattices & microstruct, pob 912, beijing 100083, peoples r china. e-mail: gf1978zhang2001@yahoo.com |
| 中文摘要 | we investigate the effects of nonlinear couplings and external magnetic field on the thermal entanglement in a two-spin-qutrit system by applying the concept of negativity. it is found that the nonlinear couplings favor the thermal entanglement creating. only when the nonlinear couplings vertical bar k vertical bar are larger than a certain critical value does the entanglement exist. the dependence of the thermal entanglement in this system on the magnetic field and temperature is also presented. the critical magnetic field increases with the increasing nonlinear couplings constant vertical bar k vertical bar. and for a fixed nonlinear couplings constant, the critical temperature is independent of the magnetic field b. (c) 2005 elsevier b.v. all rights reserved. |
| 学科主题 | 半导体物理 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2010-04-11 |
| 源URL | [http://ir.semi.ac.cn/handle/172111/10754]  |
| 专题 | 半导体研究所_中国科学院半导体研究所（2009年前） |
| 推荐引用方式 GB/T 7714 | Zhang GF,Li SS. The effects of nonlinear couplings and external magnetic field on the thermal entanglement in a two-spin-qutrit system[J]. optics communications,2006,260(1):347-350. |
| APA | Zhang GF,&Li SS.(2006).The effects of nonlinear couplings and external magnetic field on the thermal entanglement in a two-spin-qutrit system.optics communications,260(1),347-350. |
| MLA | Zhang GF,et al."The effects of nonlinear couplings and external magnetic field on the thermal entanglement in a two-spin-qutrit system".optics communications 260.1(2006):347-350. |
入库方式： OAI收割
来源：半导体研究所
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