Characterization of four-qubit states via Bell inequalities

被引：0
|
作者：
ZHAO Hui [1 ]
ZHANG XingHua [1 ]
FEI ShaoMing [2 ]
WANG ZhiXi [2 ]
机构：
[1] College of Applied Sciences,Beijing University of Technology
[2] School of Mathematical Sciences,Capital Normal University
来源：
Chinese Science Bulletin | 2013年 / 58卷 / 19期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
Bell inequalities; separability; Bell operators;
D O I：
暂无
中图分类号：
O413 [量子论];
学科分类号：
摘要：
A set of Bell inequalities classifying the quantum entanglement of four-qubit states is presented. These inequalities involve only two measurement settings per observer and can characterize fully separable, bi-separable and tri-separable quantum states. In addition, a quadratic inequality of the Bell operators for four-qubit systems is derived.
引用
收藏
页码：2334 / 2339
页数：6
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