KMS Of Academy of mathematics and systems sciences, CAS
Wigner function, Wigner-Yanase skew information, and parity asymmetry | |
Zhang, Yue1,2; Luo, Shunlong3,4 | |
2021-04-16 | |
发表期刊 | PHYSICS LETTERS A |
ISSN | 0375-9601 |
卷号 | 395页码:11 |
摘要 | The Wigner function, a position-momentum joint distribution introduced by Wigner in 1932 as a quantum correction for thermodynamics, plays a fundamental role in the phase-space formulation of quantum mechanics. The Wigner-Yanase skew information, an information-theoretic concept introduced by Wigner and Yanase in 1963 for quantifying information contents of quantum states, remains almost unnoticed until 2000s and is now playing an increasingly important role in quantum information theory. Apart from the appearance of the name Wigner, the relations between these two important concepts seem to have attracted little attention. In this work, by exploiting symmetry and asymmetry of bosonic field states with respect to the parity, we quantify parity asymmetry in term of the Wigner-Yanase skew information, and reveal some intrinsic complementary relations between the Wigner function and the Wigner-Yanase skew information. The results can be extended to a rather general setup. (C) 2021 Elsevier B.V. All rights reserved. |
关键词 | Wigner function Parity operator Wigner-Yanase skew information Parity asymmetry |
DOI | 10.1016/j.physleta.2021.127222 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[11875317] ; National Natural Science Foundation of China[61833010] |
WOS研究方向 | Physics |
WOS类目 | Physics, Multidisciplinary |
WOS记录号 | WOS:000632990900010 |
出版者 | ELSEVIER |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/58343 |
专题 | 应用数学研究所 |
通讯作者 | Luo, Shunlong |
作者单位 | 1.Peking Univ, Frontiers Sci Ctr Nanooptoelect, Sch Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China 2.Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China 3.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Yue,Luo, Shunlong. Wigner function, Wigner-Yanase skew information, and parity asymmetry[J]. PHYSICS LETTERS A,2021,395:11. |
APA | Zhang, Yue,&Luo, Shunlong.(2021).Wigner function, Wigner-Yanase skew information, and parity asymmetry.PHYSICS LETTERS A,395,11. |
MLA | Zhang, Yue,et al."Wigner function, Wigner-Yanase skew information, and parity asymmetry".PHYSICS LETTERS A 395(2021):11. |
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