Journal
COMMUNICATIONS IN THEORETICAL PHYSICS
Volume 71, Issue 5, Pages 545-554Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/71/5/545
Keywords
monogamy relation; polygamy relation; entanglement measure
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Funding
- National Natural Science Foundation of China [11805143, 11675113]
- Key Project of Beijing Municipal Commission of Education [KZ201810028042]
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Monogamy and polygamy relations characterize the distributions of entanglement in multipartite systems. We provide classes of monogamy and polygamy inequalities of multiqubit entanglement in terms of concurrence, entanglement of formation, negativity, Tsallis-q entanglement, and Renyi-alpha entanglement, respectively. We show that these inequalities are tighter than the existing ones for some classes of quantum states.
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