Cited by 1,176Quantum Information and CryptographyQuantum Computing Algorithms and ArchitectureQuantum Mechanics and Applications

The capacity of the quantum channel with general signal states

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Holevo, A.S.·1998·IEEE Transactions on Information Theory

Abstract

It is shown that the capacity of a classical-quantum channel with arbitrary (possibly mixed) states equals the maximum of the entropy bound with respect to all a priori distributions. This completes the recent result of Hausladen, Jozsa, Schumacher, Westmoreland, and Wootters (1996), who proved the equality for the pure state channel.

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Crossref · 10.1109/18.651037

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Authors
Holevo, A. S.
Affiliations
Steklov Mathematical Institute (RU)
Corresponding author
Holevo, A.S.
Venue
IEEE Transactions on Information Theory
Published
1998
Volume
44
Issue
1
Pages
269-273
ISSN
0018-9448 (ISSN-L)
OpenAlex
W2154564336
Cited by
1,176
References
3
Citations by year
2026: 32 · 2025: 48 · 2024: 48 · 2023: 47 · 2022: 56 · 2021: 54 · 2020: 57 · 2019: 44 · 2018: 50 · 2017: 38 · 2016: 52 · 2015: 34 · 2014: 50 · 2013: 43 · 2012: 46
FWCI
29.94
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Information Theory (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
Keywords
quantum channel capacity, classical-quantum channels, entropy bounds, a priori distribution, quantum information

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