Construction of entanglement witnesses based on concurrence for multi-qubit states

被引：0
|
作者：
Heydar, Hoshang [1 ]
机构：
[1] Nihon Univ, Inst Quantum Sci, Chiyoda Ku, Tokyo 1018308, Japan
来源：
QUANTUM INFORMATION & COMPUTATION | 2008年 / 8卷 / 8-9期
基金：
日本学术振兴会;
关键词：
entanglement; entanglement witnesses; concurrence; multipartite states;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We establish a relation between concurrence and entanglement witnesses. In particular, we construct entanglement witnesses for three-qubit W and GHZ states in terms of concurrence. We also generalize our construction for multi-qubit states. This result gives the finest entanglement witnesses for a given class of state without any optimization.
引用
收藏
页码：791 / 796
页数：6
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