Monogamy relations in tripartite quantum system

被引：4
|
作者：
Li Jiao-Jiao [1 ]
Wang Zhi-Xi [1 ]
机构：
[1] Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
来源：
CHINESE PHYSICS B | 2010年 / 19卷 / 10期
基金：
中国国家自然科学基金;
关键词：
concurrence; monogamy relation; convex-roof extended negativity; STATE; ENTANGLEMENT;
D O I：
10.1088/1674-1056/19/10/100310
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper presents monogamy relations for three-qubit quantum states by using convex-roof extended negativity, which inspires studying the difference between the three entanglement measures, concurrence, negativity and convex-roof extended negativity. It finds that the convex-roof extended negativity is a stronger entanglement measure than concurrence in multipartite higher-dimensional quantum system.
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收藏
页数：6
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