THERMAL ENTANGLEMENT OF A TWO-QUTRIT XXZ SPIN CHAIN WITH DZIALOSHISKI-MORIYA INTERACTION

被引：0
|
作者：
Ma, Xiao San [1 ,2 ]
机构：
[1] Anhui Univ Technol, Sch Elect Engn & Informat, Maanshan 243002, Peoples R China
[2] Anhui Univ Technol, Key Lab Power Elect & Power Transmiss, Maanshan 243002, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2009年 / 7卷 / 05期
关键词：
XXZ chain; DM interaction; thermal entanglement; STATE;
D O I：
10.1142/S0219749909005626
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The effect of Dzialoshiski-Moriya (DM) interaction and anisotropy on the thermal entanglement of a two-qutrit XXZ spin chain is investigated. Our analysis implies that the DM interaction and weak anisotropy can enhance the thermal entanglement to a maximum value while the strong anisotropy plays a positive role in shrinking thermal entanglement. Furthermore, we find that the entanglement evolution in terms of anisotropy is sensitive to weak anisotropy.
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页码：1021 / 1028
页数：8
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