Wigner-Yanase skew information vs. quantum Fisher information
Open accessAbstract
Among concepts describing the information contents of quantum mechanical density operators, both the Wigner-Yanase skew information and the quantum Fisher information defined via symmetric logarithmic derivatives are natural generalizations of the classical Fisher information. We will establish a relationship between these two fundamental quantities and show that they are comparable.
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- Authors
- Luo, S.
- Affiliations
- Chinese Academy of Sciences (CN)
- Corresponding author
- Luo, Shunlong
- ORCID
- Luo, Shunlong
- Venue
- Proceedings of the American Mathematical Society
- Publisher
- American Mathematical Society (AMS)
- Published
- 2003-07-07
- Volume
- 132
- Issue
- 3
- Pages
- 885-890
- ISSN
- 0002-9939 (ISSN-L)
- 1088-6826
- OpenAlex
- W1503304924
- Cited by
- 201
- References
- 10
- Citations by year
- 2026: 9 · 2025: 15 · 2024: 18 · 2023: 23 · 2022: 15 · 2021: 15 · 2020: 15 · 2019: 16 · 2018: 7 · 2017: 12 · 2016: 7 · 2015: 7 · 2014: 4 · 2013: 8 · 2012: 4
- FWCI
- 1.42
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Proceedings of the American Mathematical Society (publishedVersion)
- Funders
- National Natural Science Foundation of China (10131040)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Statistical Mechanics and Entropy
- Keywords
- Wigner-Yanase skew information, quantum Fisher information, symmetric logarithmic derivative, classical Fisher information, quantum information, density matrix
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Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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