Parameterized entanglement measures with computable lower bounds

被引：0
|
作者：
Bao, Gui [1 ]
Zhu, Xue-Na [1 ]
机构：
[1] Ludong Univ, Sch Math & Stat Sci, Yantai 264025, Shandong, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2025年 / 24卷 / 03期
关键词：
Entanglement measures; q-concurrence; Lower bounds; SEPARABILITY; CRITERION;
D O I：
10.1007/s11128-025-04692-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work, we present the parameterized entanglement measures, q-concurrence with q>0 and q not equal 1. And we derive analytical lower bounds for the entanglement measures by using positive partial transposition and realignment criteria, detailed examples are presented. Moreover, we show that the increase of q-concurrence (1<q<2)for some superposition states are upper bounded by 1/2.
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页数：14
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