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作者:
KeTao Guo, ShaoHui Xiang, HongYu Xu and XiaoHong Li
文题:
Thermal entanglement of the mixed spin-1/2 and spin-5/2 Heisenberg model under an external magnetic field
期刊名,年份,卷(期),起止页码:
Quantum Inf Process (2014) 13:1511–1521

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Thermal entanglement of the mixed spin-1/2 and spin-5/2 Heisenberg model under an external magnetic field

作者:Guo, KT (Guo, Ke-Tao)[ 1 ] ; Xiang, SH (Xiang, Shao-Hui)[ 1 ] ; Xu, HY (Xu, Hong-Yu)[ 1 ] ; Li, XH (Li, Xiao-Hong)[ 1 ]

QUANTUM INFORMATION PROCESSING

卷: 13

期: 7

页: 1511-1521

DOI: 10.1007/s11128-014-0745-7

出版年: JUL 2014

查看期刊信息
摘要

We use the concept of negativity to study the entanglement of spin-1/2 and spin-5/2 antiferromagnetic Heisenberg model with an inhomogeneous magnetic field. Analytical conclusions of the model are acquired. It is found that the critical temperature T-c goes up, as the increase of anisotropy parameter k. The temperature T-c becomes bigger than the results of spin-1/2 and spin-3/2 Heisenberg XXZ chain for the same value of k. And we can gain more entanglement at higher temperature by coordinating the value of inhomogeneity b.
关键词

作者关键词:Entanglement; Mixed-spin; Negativity

KeyWords Plus:QUANTUM INFORMATION; SEPARABILITY; COMPUTATION; COMPUTER; STATES; DOTS
作者信息

通讯作者地址: Guo, KT (通讯作者)
[显示增强组织信息的名称]         Jiangxi Univ Sci & Technol, Sch Appl Sci, Ganzhou 341000, Peoples R China.

地址:
[显示增强组织信息的名称]         [ 1 ] Jiangxi Univ Sci & Technol, Sch Appl Sci, Ganzhou 341000, Peoples R China

电子邮件地址:guoketao@gmail.com
基金资助致谢
基金资助机构        授权号
Scientific Research Program of Jiangxi University of Science and Technology        
jxxj12160
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出版商

SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
类别 / 分类

研究方向hysics

Web of Science 类别hysics, Multidisciplinary; Physics, Mathematical
文献信息

文献类型:Article

语种:English

入藏号: WOS:000337604800003

ISSN: 1570-0755

eISSN: 1573-1332
期刊信息

    目录: Current Contents Connect®

    Impact Factor (影响因子): Journal Citation Reports®

其他信息

IDS 号: AJ3YR

Web of Science 核心合集中的 "引用的参考文献": 19

Web of Science 核心合集中的 "被引频次": 2
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