Quantum correlations in a long range interaction spin chain

被引：13
|
作者：
Li, Bo [1 ]
Wang, Yan-Shen
机构：
[1] Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 01期
关键词：
Spin chain; Long range interaction; Entanglement; Quantum discord; Structure factor; ENTANGLEMENT; EXCHANGE; STATE; MODEL;
D O I：
10.1016/j.physb.2011.09.129
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We propose a new type of long range interaction spin chain. The quantum correlations such as quantum discord, entanglement, and structure factor are investigated in the thermal state with considering them both in zero temperature and finite temperature. Based on our results, we compare the differences and show the relations between the three types of quantum correlations in this long range interaction model. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：77 / 83
页数：7
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