Thermal Entanglement in Two-Qutrit Heisenberg XX Chain with Different Dzyaloshinskii-Moriya Interaction and Nonuniform Magnetic Field

被引：3
|
作者：
秦猛 [1 ]
李延标 [1 ]
白忠 [1 ]
王晓 [1 ]
武文远 [1 ]
机构：
[1] Institute of Science,PLA University of Science and Technology
来源：
Communications in Theoretical Physics | 2012年 / 58卷 / 11期
关键词：
two-qutrit chain; different Dzyaloshinskii-Moriya interaction; thermal entanglement;
D O I：
暂无
中图分类号：
O413.1 [量子力学（波动力学、矩阵力学）];
学科分类号：
070205 ; 0809 ;
摘要：
The effects of the different Dzyaloshinskii-Moriya (DM) interaction on thermal entanglement of a two-qutrit Heisenberg XX spin chain in a nonuniform magnetic field are investigated. Our results imply that the x-component DM interaction plays a central role in enhancing quantum entanglement and it has a higher critical temperature than the z-component DM interaction. The entanglement can be tunable controlled by changing the multiple of the magnetic fields B1 and B2 . Also we found that different DM interaction are competitive to each other in some conditions.
引用
收藏
页码：653 / 656
页数：4
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