Inequalities for the quantum privacy

被引：1

作者：

Trindade, M. A. S. ^{[1
]}

Pinto, E. ^{[2
]}

机构：

[1] Univ Estado Bahia, Dept Ciencias Exatas & Terra, Rodovia Alagoinhas Salvador,BR 110,Km 03, BR-48040210 Alagoinhas, BA, Brazil

[2] Univ Fed Bahia, Dept Matemat, Inst Matemat, Campus Ondina, BR-40210340 Salvador, BA, Brazil

来源：

MODERN PHYSICS LETTERS B | 2016年 / 30卷 / 05期

关键词：

Inequalities; quantum privacy; entanglement fidelity; KEY AGREEMENT; ENTROPY;

D O I：

10.1142/S0217984916500470

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, we investigate the asymptotic behavior related to the quantum privacy for multipartite systems. In this context, an inequality for quantum privacy was obtained by exploiting of quantum entropy properties. Subsequently, we derive a lower limit for the quantum privacy through the entanglement fidelity. In particular, we show that there is an interval where an increase in entanglement fidelity implies a decrease in quantum privacy.

引用

页数：8

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