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Paper detail

Tighter monogamy and polygamy relations of quantum entanglement in multi-qubit systems

We investigate the monogamy relations related to the concurrence, the entanglement of formation, convex-roof extended negativity, Tsallis-q entanglement and R'enyi-α entanglement, the polygamy relations related to the entanglement of formation, Tsallis-q entanglement and R'enyi-α entanglement. Monogamy and polygamy inequalities are obtained for arbitrary multipartite qubit systems, which are proved to be tighter than the existing ones. Detailed examples are presented.

preprint2021arXivOpen access
Wen-Wen LiuZi-Feng YangShao-Ming Fei
quant-ph
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Wen-Wen LiuZi-Feng YangShao-Ming Fei

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