Monogamy relations in tripartite quantum system

doi:10.1088/1674-1056/19/10/100310

中国物理B ›› 2010, Vol. 19 ›› Issue (10): 100310-100310.doi: 10.1088/1674-1056/19/10/100310

Monogamy relations in tripartite quantum system

李姣姣, 王志玺

School of Mathematical Sciences, Capital Normal University, Beijing 100048, China

收稿日期:2010-01-30 修回日期:2010-03-09 出版日期:2010-10-15 发布日期:2010-10-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 10871227) and the Natural Science Foundation of Beijing (Grant No. 1092008).

Monogamy relations in tripartite quantum system

Li Jiao-Jiao(李姣姣) and Wang Zhi-Xi(王志玺)^†

School of Mathematical Sciences, Capital Normal University, Beijing 100048, China

Received:2010-01-30 Revised:2010-03-09 Online:2010-10-15 Published:2010-10-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 10871227) and the Natural Science Foundation of Beijing (Grant No. 1092008).

摘要/Abstract

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.

Abstract: 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.

Key words: concurrence, monogamy relation, convex-roof extended negativity

中图分类号: (Foundations of quantum mechanics; measurement theory)

03.65.Ta

03.65.Ud (Entanglement and quantum nonlocality) 03.67.Lx (Quantum computation architectures and implementations) 03.67.Mn (Entanglement measures, witnesses, and other characterizations)

李姣姣, 王志玺. Monogamy relations in tripartite quantum system[J]. 中国物理B, 2010, 19(10): 100310-100310.

Li Jiao-Jiao(李姣姣) and Wang Zhi-Xi(王志玺). Monogamy relations in tripartite quantum system[J]. Chin. Phys. B, 2010, 19(10): 100310-100310.

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Monogamy relations in tripartite quantum system

Monogamy relations in tripartite quantum system

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