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A new construction of mutually unbiased maximally entangled bases in ℂq⊗ℂq
International Journal of Quantum Information ( IF 1.2 ) Pub Date : 2021-05-06 , DOI: 10.1142/s0219749921500143
Dengming Xu 1 , Feiya Li 2 , Wei Hu 3
Affiliation  

This paper is devoted to constructing mutually unbiased maximally entangled bases (MUMEBs) in qq, where q is a prime power. We prove that M(q,q)q2q+1 when q is even, and M(q,q)q2q+2 when q is odd, where M(q,q) is the maximal size of the sets of MUMEBs in qq. This highly raises the lower bounds of M(q,q) given in D. Xu, Quant. Inf. Process. 18(7) (2019) 213; D. Xu, Quant. Inf. Process. 19(6) (2020) 175. It should de noted that the method used in the paper is completely different from that in D. Xu, Quant. Inf. Process. 18(7) (2019) 213; D. Xu, Quant. Inf. Process. 19(6) (2020) 175.

中文翻译:

ℂq⊗ℂq中相互无偏的最大纠缠碱基的新构造

本文致力于构建相互无偏的最大纠缠基(MUMEB)qq, 在哪里q是主力。我们证明(q,q)q2-q+1什么时候q是偶数,并且(q,q)q2-q+2什么时候q很奇怪,在哪里(q,q)是 MUMEB 集合的最大大小qq. 这大大提高了(q,q)在 D. Xu 中给出,量化。信息。过程。 18(7) (2019) 213;D.徐,量化。信息。过程。 19(6) (2020) 175. 需要注意的是,论文中使用的方法与 D. Xu 的方法完全不同,量化。信息。过程。 18(7) (2019) 213;D.徐,量化。信息。过程。 19(6) (2020) 175。
更新日期:2021-05-06
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