Parameterized bipartite entanglement measure

被引：8
|
作者：
Wei, Zhi-Wei [1 ]
Fei, Shao-Ming [1 ,2 ]
机构：
[1] Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
[2] Max Planck Inst Math Sci, D-04103 Leipzig, Germany
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2022年 / 55卷 / 27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：
parameterized; quantum entanglement; entanglement measure; concurrence; CROSS-NORM CRITERION; QUANTUM; SEPARABILITY; STATES; LIMITS;
D O I：
10.1088/1751-8121/ac7592
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a novel parameterized entanglement measure alpha-concurrence for bipartite systems. By employing positive partial transposition and realignment criteria, we derive analytical lower bounds for the alpha-concurrence. Moreover, we calculate explicitly the analytic expressions of the alpha-concurrence for isotropic states and Werner states.
引用
收藏
页数：15
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