Pairwise entanglement in the Heisenberg XX model with three-site interactions

被引：11

作者：

Guo, Jin-Liang ^{[1
]}

Li, Zai-Dong ^{[1
]}

Sun, Yu-Bao ^{[1
]}

机构：

[1] Hebei Univ Technol, Dept Appl Phys, Tianjin 300401, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2011年 / 284卷 / 05期

关键词：

Pairwise entanglement; Three-site interactions; Decoherence; INTRINSIC DECOHERENCE; CHAIN; STATE; TELEPORTATION; SYSTEM; FIELD; ATOM;

D O I：

10.1016/j.optcom.2010.10.089

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the effects of three-site interactions on the pairwise entanglement in a three-qubit Heisenberg XX model. We find the three-site interactions only in favor of the thermal entanglement and benefit the teleportation between the next-to-nearest neighbor qubits. In addition, we also study the stationary entangled state in the model with intrinsic decoherence taken into account. The influence of different types of three-site interactions on the stationary entangled state is then examined. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1461 / 1467

页数：7

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