A Genuine Multipartite Entanglement Measure Generated by the Parametrized Entanglement Measure

被引：2
作者：
Shi, Xian [1 ]
Chen, Lin [2 ,3 ]
机构：
[1] Beijing Univ Chem Technol, Coll Informat Sci & Technol, Beijing 100029, Peoples R China
[2] Beihang Univ, Sch Math Sci, Beijing 100191, Peoples R China
[3] Beihang Univ, Int Res Inst Multidisciplinary Sci, Beijing 100191, Peoples R China
来源：
ANNALEN DER PHYSIK | 2023年 / 535卷 / 12期
基金：
中央高校基本科研业务费专项资金资助;
关键词：
entanglement measure; genuine multipartite entanglement; Greenberger-Horne-Zeilinger state; QUANTUM; STATE;
D O I：
10.1002/andp.202300305
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A genuine multipartite entanglement measure based on the geometric method is investigated in this paper. This measure has desirable properties for quantifying the genuine multipartite entanglement. A lower bound of the genuine multipartite entanglement measure derived with the fidelity-based method is then presented. The advantages of the measure proposed here with other measures are also presented. At last, examples are presented to show that the genuine entanglement measure has distinct entanglement ordering from other measures. Here, a genuine multipartite entanglement measure based on the geometric method is investigated. This measure is subadditive and continuous for pure states. Moreover, it is smooth, while the generalized geometric measure and genuinely multipartite concurrence are not. A lower bound of the genuine multipartite entanglement measure derived with the fidelity-based method is also presented.image
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页数：9
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