Improved bounds on some entanglement criteria in bipartite quantum systems

被引：4
|
作者：
Tang, Liang [1 ,2 ,3 ]
Wu, Fan [2 ,3 ]
机构：
[1] Xihua Univ, Sch Sci, Chengdu 610039, Peoples R China
[2] Sichuan Normal Univ, Sch Math Sci, Chengdu 610066, Peoples R China
[3] Sichuan Normal Univ, Inst Intelligent Informat & Quantum Informat, Chengdu 610066, Peoples R China
来源：
RESULTS IN PHYSICS | 2023年 / 51卷
基金：
美国国家科学基金会;
关键词：
Entanglement detection; Entanglement criteria; Free parameter; Bipartite systems; (N; M)-POVMs; SEPARABILITY; STATES;
D O I：
10.1016/j.rinp.2023.106663
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Entanglement detection is one of the core tasks in quantum information processing. Based on a broad class of informationally complete symmetric measurements, a series of separability criteria are proposed for different bipartite quantum systems using Cauchy-Schwarz inequality and p - p- & REG; p,3, respectively. In addition, by comparing and analyzing the existing entanglement criteria and detailed examples, it is not difficult to prove that our proposed criteria are more powerful and comprehensive in entanglement detection.
引用
收藏
页数：7
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