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Quantum Information Processing

Tighter monogamy and polygamy relations of multiparty quantum entanglement

  • 01-08-2020
Published in:
Authors
Limin Gao
Fengli Yan
Ting Gao
Published in
Quantum Information Processing | Issue 8/2020

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Abstract

We explore monogamy and polygamy relations of entanglement in multipartite systems. By using the power of the bipartite entanglement measure, we establish a class of tight monogamy relations of multiparty entanglement with larger lower bounds in comparison to all known entanglement monogamy relations. We also give a class of tight polygamy relations of multiparty entanglement with smaller upper bounds than the existing ones, in terms of the power of the entanglement of assistance. We provide examples in which our new monogamy and polygamy relations are tighter than the previous ones.

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Title
Tighter monogamy and polygamy relations of multiparty quantum entanglement
Authors
Limin Gao
Fengli Yan
Ting Gao
Publication date
01-08-2020
Publisher
Springer US
Published in
Quantum Information Processing / Issue 8/2020
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-020-02786-3
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