Effect of Dzialoshinski-Moriya interaction on thermal entanglement of a mixed-spin chain

被引：0
|
作者：
XiaoSan Ma
JiaYan Zhang
HongShou Cong
AnMin Wang
机构：
[1] Anhui University of Technology,School of Electric Engineering and Information
[2] University of Science and Technology of China,Department of Modern Physics
来源：
Science in China Series G: Physics, Mechanics and Astronomy | 2008年 / 51卷
关键词：
thermal entanglement; a mixed-spin chain; DM interaction;
D O I：
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学科分类号：
摘要：
The effect of Dzialoshinski-Moriya (DM) interaction on thermal entanglement of a mixed-spin chain in an external magnetic field is investigated. It is found that DM interaction may enhance quantum thermal entanglement to a maximal value even though the magnetic field plays a positive role in shrinking thermal entanglement in the mixed-spin chain. Furthermore, the effect of inhomogeneity of the magnetic field on quantum entanglement is analyzed. Our analysis will shed some light on the understanding of the effect of the DM interaction on thermal entanglement of a mixed-spin chain.
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页码：1897 / 1904
页数：7
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