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Monogamy inequalities of entanglement of assistance in $2\otimes 2\otimes d$ systems
Xue-Na Zhu, Gui Bao, Zhi-Xiang Jin, Shao-Ming Fei, Tao Li·July 21, 2026·DOI: 10.1007/s11128-026-05288-w
Quantum Physics
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Abstract
The monogamy relations characterize the distribution of quantum correlations among the multipartite quantum systems. We study the monogamy relations of the entanglement of assistance in $2\otimes 2\otimes d$ systems. We present explicitly the relations satisfied by the concurrence, the tangle and the concurrence of assistance, which can be used to derive rigorous monogamy relations. Detailed examples are given to illustrate our results.