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
收藏
页码：1461 / 1467
页数：7
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