| Tighter monogamy relations of multiqubit entanglement in terms of Rényi-α entanglement |
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| 摘 要： | We explore the existence of monogamy relations in terms of Rényi-α entanglement. By using the power of the Rényi-α entanglement, we establish a class of tight monogamy relations of multiqubit entanglement with larger lower bounds than the existing monogamy relations for α≥2, the power η1, and 2α≥(7~(1/2)-1)/2, the power η2, respectively.
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| 收稿时间： | 2019-12-06 |
Tighter monogamy relations of multiqubit entanglement in terms of Rényi-α entanglement |
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| Authors: | Li-Min Gao Feng-Li Yan Ting Gao |
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| Institution: | 1.College of Physics, Hebei Normal University, Shijiazhuang 050024, China;2.School of Mathematical Sciences, Hebei Normal University, Shijiazhuang 050024, China |
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| Abstract: | We explore the existence of monogamy relations in terms of Rényi-α entanglement. By using the power of the Rényi-α entanglement, we establish a class of tight monogamy relations of multiqubit entanglement with larger lower bounds than the existing monogamy relations for α≥2, the power η>1, and $2\gt \alpha \geqslant \tfrac{\sqrt{7}-1}{2}$, the power η>2, respectively. |
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| Keywords: | monogamy relation multiqubit entanglement Rényi-α entanglement |
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