Construction of mutually unbiased maximally entangled bases in $\mathbb{C}^{2^s}\otimes\mathbb{C}^{2^s}$ by using Galois rings

• URL: http://arxiv.org/abs/1912.12443v1
• Date: Sat, 28 Dec 2019 11:20:42 GMT
• Title: Construction of mutually unbiased maximally entangled bases in $\mathbb{C}^{2^s}\otimes\mathbb{C}^{2^s}$ by using Galois rings
• Authors: Dengming Xu
• Abstract summary: We construct mutually unbiased maximally entangled bases in $mathbbC2s otimes mathbbC2s$ by using Galois rings. As applications, we obtain several new types of MUMEBs in $mathbbC2sotimesmathbbC2s$ and prove that $M(2s,2s)geq 3(2s-1)$ raises the lower bound of $M(2s,2s)$ given in cite
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Mutually unbiased bases plays a central role in quantum mechanics and quantum information processing. As an important class of mutually unbiased bases, mutually unbiased maximally entangled bases (MUMEBs) in bipartite systems have attracted much attention in recent years. In the paper, we try to construct MUMEBs in $\mathbb{C}^{2^s} \otimes \mathbb{C}^{2^s}$ by using Galois rings, which is different from the work in \cite{xu2}, where finite fields are used. As applications, we obtain several new types of MUMEBs in $\mathbb{C}^{2^s}\otimes\mathbb{C}^{2^s}$ and prove that $M(2^s,2^s)\geq 3(2^s-1)$, which raises the lower bound of $M(2^s,2^s)$ given in \cite{xu}.

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