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Quantifying coherence relative to channels via metric-adjusted skew information
Sun, Yuan1; Li, Nan2,3; Luo, Shunlong2,3
2022-07-27
Source PublicationPHYSICAL REVIEW A
ISSN2469-9926
Volume106Issue:1Pages:12
AbstractIn terms of the metric-adjusted skew information (an important and versatile class of quantum Fisher information), which generalizes the seminal Wigner-Yanase skew information arising naturally from the study of quantum measurement, we propose a family of coherence measures of states relative to quantum channels, and reveal their basic properties such as unitary covariance, convexity, and monotonicity. Furthermore, we evaluate these coherence measures of states relative to several prototypical quantum channels, and make a comparative study for this family of coherence measures with relative entropy of coherence. This provides a general approach to coherence of states relative to quantum channels, which also captures decoherence on the states caused by quantum channels and asymmetry of states relative to quantum channels.
DOI10.1103/PhysRevA.106.012436
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[12005104] ; National Natural Science Foundation of China[11875317] ; National Natural Science Foundation of China[11775298] ; National Key Research and Devel-opment Program of China[2020YFA0712700] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2020002] ; Natural Science Foundation of the Jiangsu Higher Education Institutions of China[20KJB140028]
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000839138800003
PublisherAMER PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/61085
Collection应用数学研究所
Corresponding AuthorSun, Yuan; Li, Nan; Luo, Shunlong
Affiliation1.Nanjing Normal Univ, Sch Math Sci, Nanjing 210023, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Yuan,Li, Nan,Luo, Shunlong. Quantifying coherence relative to channels via metric-adjusted skew information[J]. PHYSICAL REVIEW A,2022,106(1):12.
APA Sun, Yuan,Li, Nan,&Luo, Shunlong.(2022).Quantifying coherence relative to channels via metric-adjusted skew information.PHYSICAL REVIEW A,106(1),12.
MLA Sun, Yuan,et al."Quantifying coherence relative to channels via metric-adjusted skew information".PHYSICAL REVIEW A 106.1(2022):12.
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