The uncertainty relation for quantum channels based on skew information

被引：8
|
作者：
Zhou, Nan [1 ]
Zhao, Ming-Jing [1 ]
Wang, Zhen [2 ]
Li, Tao [3 ]
机构：
[1] Beijing Informat Sci & Technol Univ, Sch Sci, Beijing 100192, Peoples R China
[2] Jining Univ, Sch Math & Comp Applicat Technol, Qufu 273155, Peoples R China
[3] Beijing Technol & Business Univ, Sch Math & Stat, Beijing 100048, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2022年 / 22卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Uncertainty relation; Quantum channel; Skew information;
D O I：
10.1007/s11128-022-03760-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Uncertainty relations are the basis of quantum mechanics. We study the uncertainty relation for quantum channels by skew information. An uncertainty relation for quantum channels is provided, which can be generalized to more than two channels. This uncertainty relation is shown to be independent of the Kraus representations of quantum channels. We then establish an uncertainty relation for skew information of coherence under different bases in qubit systems.
引用
收藏
页数：12
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