CREATION OF QUANTUM ENTANGLEMENT IN SPIN-ONE ISING MODEL WITH LONGITUDINAL AND TRANSVERSE CRYSTAL FIELDS

被引：2

作者：

Hu, Ming-Liang ^{[1
]}

机构：

[1] Xian Univ Posts & Telecommun, Sch Sci, Xian 710061, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 28期

关键词：

Ising model; pairwise entanglement; crystal field;

D O I：

10.1142/S021797921005692X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We study ground-state pairwise entanglement of spins in mean field clusters of spin-one particles interacting via the Ising interaction in the presence of longitudinal and transverse crystal fields. A general result is found that for all kinds of the spin-one Ising models, the pairwise negativities are symmetric with respect to the zero values of the applied transverse or longitudinal magnetic fields. For models considered in this paper, we show numerically that the crystal fields can serve as an alternative tool to create "on-demand" ground-state entanglement for small clusters of spins.

引用

页码：5571 / 5577

页数：7

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