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Optimized monogamy and polygamy inequalities for multipartite qubit entanglement

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摘要 We investigate the monogamy and polygamy inequalities of arbitrary multipartite quantum states,and provide new classes of monogamy and polygamy inequalities of multiqubit entanglement in terms o f concurrence,entanglement of formation,negativity,and Tsallis-q entanglement,respectively.We show that these new monogamy and polygamy inequality relations are tighter than the existing ones with detailed examples.
作者 Jia-Bin Zhang Zhi-Xiang Jin Shao-Ming Fei Zhi-Xi Wang 张嘉斌;靳志祥;费少明;王志玺(School of Mathematical Sciences,Capital Normal University,Beijing 100048,China;School of Physics,University of Chinese Academy of Sciences,Beijing 100049,China)
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2021年第10期154-164,共11页 中国物理B(英文版)
基金 supported by the National Natural Science Foundation of China(Grant Nos.12075159 and 11847209) Beijing Natural Science Foundation(Grant No.Z190005) Academy for Multidisciplinary Studies,Capital Normal University,the Academician Innovation Platform of Hainan Province,Shenzhen Institute for Quantum Science and Engineering,Southern University of Science and Technology(Grant No.SIQSE202001) the China Postdoctoral Science Foundation funded project(Grant No.2019M650811) the China Scholarship Council(Grant No.201904910005).
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