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Entanglement Theory Quantum Correlations

Tighter monogamy and polygamy relations in multiparty quantum systems

arXiv
Authors: Chenxiao Wang, Limin Gao

Year

2026

Paper ID

30932

Status

Preprint

Abstract Read

~2 min

Abstract Words

85

Citations

N/A

Abstract

The monogamy and polygamy properties of quantum entanglement characterize fundamental constraints on the distribution of entanglement in multipartite quantum systems. In this paper, we investigate tighter monogamy and polygamy relations for multipartite entanglement. By establishing a new mathematical inequality, we derive a family of improved monogamy and polygamy inequalities for tripartite quantum systems and further extend these results to general multipartite systems. Comparisons with existing results show that the obtained bounds are tighter. Illustrative examples are provided to demonstrate the effectiveness of the proposed relations.

Why This Paper Matters

  • This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • The monogamy and polygamy properties of quantum entanglement characterize fundamental constraints on the distribution of entanglement in multipartite quantum systems.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2603.12539 [2] arXiv https://arxiv.org/abs/2603.12539 [3] Publisher https://arxiv.org/abs/2603.12539

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal

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