Tighter constraints of multiqubit entanglement in terms of unified entropy,Laser Physics Letters

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Tighter constraints of multiqubit entanglement in terms of unified entropy
Laser Physics Letters ( IF 1.4 ) Pub Date : 2021-10-19 , DOI: 10.1088/1612-202x/ac2cd0
Ya-Ya Ren ₁ , Zhi-Xi Wang ₁ , Shao-Ming Fei _{1,

2}

Affiliation

We present classes of monogamy inequalities related to the αth ( $\alpha \geqslant 1$ ) power of the entanglement measure based on the unified-( $q,s$ ) entropy, and polygamy inequalities related to the βth ( $0 \leqslant \beta \leqslant 1$ ) power of the unified-( $q,s$ ) entanglement of assistance by using Hamming weight. We show that these monogamy and polygamy inequalities are tighter than the existing ones. Detailed examples are given for illustrating the advantages.

中文翻译：

多量子位纠缠在统一熵方面的更严格约束

我们提出了与基于统一 ( ) 熵的纠缠测度的α th ( $\alpha\geqslant 1$ ) 幂相关的一夫一妻制不等式 $q,s$ ，以及与统一 ( ) 协助纠缠的β th ( $0 \leqslant \beta \leqslant 1$ ) 幂相关的一夫多妻制不等式。 $q,s$ 重量。我们表明，这些一夫一妻制和一夫多妻制的不平等比现有的更严重。给出了详细的例子来说明优点。

更新日期：2021-10-19

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