Uncertainty of quantum channels via generalized Wigner-Yanase skew information

被引：0

作者：

Wu, Jing-Feng ^{[1
]}

Zhang, Qing-Hua ^{[2
]}

Fei, Shao-Ming ^{[1
,3
]}

机构：

[1] Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China

[2] Changsha Univ Sci & Technol, Sch Math & Stat, Changsha 410114, Peoples R China

[3] Max Planck Inst Math Sci, D-04103 Leipzig, Germany

来源：

QUANTUM INFORMATION PROCESSING | 2025年 / 24卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Uncertainty relations; Generalized Wigner-Yanase skew information; Quantum channels;

D O I：

10.1007/s11128-024-04637-x

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Uncertainty relations are a distinctive characteristic of quantum physics. We provide a set of uncertainty relations for quantum channels based on the generalized Wigner-Yanase skew information. Both product-form and summation-form uncertainty inequalities are derived for two general quantum channels, which include the ones given by the Wigner-Yanase skew information as special cases. These uncertainty inequalities are further refined as uncertainty sequences. Detailed examples are given for several prototypical quantum channels.

引用

页数：16

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