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山东大学学报（理学版） ›› 2017, Vol. 52 ›› Issue (8): 43-47.doi: 10.6040/j.issn.1671-9352.0.2017.036

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关于Wigner-Yanase-Dyson斜信息的一些研究

王丽丽,陈峥立*   

  1. 陕西师范大学数学与信息科学学院, 陕西 西安 710062
  • 收稿日期:2017-02-05 出版日期:2017-08-20 发布日期:2017-08-03
  • 通讯作者: 陈峥立(1973— ), 男, 副教授, 博士, 研究方向为算子代数与量子计算. E-mail:czl@snnu.edu.cn E-mail:wanglilimath@163.com
  • 作者简介:王丽丽(1992— ), 女, 硕士研究生, 研究方向为算子代数与量子计算. E-mail:wanglilimath@163.com
  • 基金资助:
    国家自然科学基金资助项目(11571213,11371012)

Some research about Wigner-Yanase-Dyson skew information

WANG Li-li, CHEN Zheng-li*   

  1. School of Mathematics and Information Science, Shaanxi Normal University, Xian 710062, Shaanxi, China
  • Received:2017-02-05 Online:2017-08-20 Published:2017-08-03

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摘要： 基于对Wigner-Yanase-Dyson斜信息和Wigner-Yanase关联的一些特性的研究, 给出了不同量子信道的Wigner-Yanase-Dyson斜信息。最后证明了Wigner-Yanase-Dyson斜信息的凹性。

关键词: Wigner-Yanase关联, 量子信道, Wigner-Yanase-Dyson斜信息, 密度算子

Abstract: Based on the study of some properties of the Wigner-Yanase-Dyson skew information and the Wigner-Yanase correlation, the Wigner-Yanase-Dyson skew information is given for different quantum channels. Finally, the concavity with the Wigner-Yanase-Dyson skew information is proven.

Key words: Wigner-Yanase correlation, Wigner-Yanase-Dyson skew information, density operator, quantum channel

中图分类号: 

  • O177.1
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