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Quantum Information Processing

Tighter monogamy relations of the and -entropy entanglement measures based on dual entropy

  • 01-07-2024
Published in:
Authors
Zhong-Xi Shen
Kang-Kang Yang
Zhi-Xiang Jin
Zhi-Xi Wang
Shao-Ming Fei
Published in
Quantum Information Processing | Issue 7/2024

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Abstract

The article delves into the monogamy relations of two new entanglement measures, -entropy and -entropy entanglement, in multi-qubit quantum systems. It builds on the fundamental concept of quantum entanglement, crucial for quantum information processing. The authors present analytically computable measures for any N-qubit states and demonstrate tighter monogamy inequalities compared to existing ones. These inequalities are shown to provide more precise characterizations of entanglement distribution in multipartite systems. Additionally, the authors construct new multipartite entanglement indicators based on these monogamy relations, which can detect genuine entanglement even when traditional indicators fail. The article is supported by detailed examples and theoretical proofs, offering valuable insights into the distribution and measurement of entanglement in quantum systems.
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previous article Trade-off between bagging and boosting for quantum separability-entanglement classification
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Title
Tighter monogamy relations of the and -entropy entanglement measures based on dual entropy
Authors
Zhong-Xi Shen
Kang-Kang Yang
Zhi-Xiang Jin
Zhi-Xi Wang
Shao-Ming Fei
Publication date
01-07-2024
Publisher
Springer US
Published in
Quantum Information Processing / Issue 7/2024
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-024-04481-z
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