简单的量子币可以在每个超立方体上实现很好的状态转移。

IF 3.7 3区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Hanmeng Zhan
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引用次数: 0

摘要

我们在超立方体上的对跖顶点之间的量子行走中考虑了相当好的状态转移[公式:见文本]。当[公式:见文本]是质数时,这被证明发生在格罗弗币的弧反转行走中。我们通过构造加权格罗弗币来扩展这一结果,使每个硬币都能很好地进行状态转移[公式:见文本]。我们的硬币是真实的,每个顶点只需要修改一个弧的重量。我们还推广了我们的方法,并建立了在其他图上发生良好状态转移的充分条件。本文是专题“数值分析、谱图理论、正交多项式和量子算法”的一部分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simple quantum coins enable pretty good state transfer on every hypercube.

We consider pretty good state transfer in coined quantum walks between antipodal vertices on the hypercube [Formula: see text]. When [Formula: see text] is a prime, this was proven to occur in the arc-reversal walk with Grover coins. We extend this result by constructing weighted Grover coins that enable pretty good state transfer on every [Formula: see text]. Our coins are real and require modification of the weight on only one arc per vertex. We also generalize our approach and establish a sufficient condition for pretty good state transfer to occur on other graphs.This article is part of the theme issue 'Numerical analysis, spectral graph theory, orthogonal polynomials and quantum algorithms'.

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来源期刊
CiteScore
9.30
自引率
2.00%
发文量
367
审稿时长
3 months
期刊介绍: Continuing its long history of influential scientific publishing, Philosophical Transactions A publishes high-quality theme issues on topics of current importance and general interest within the physical, mathematical and engineering sciences, guest-edited by leading authorities and comprising new research, reviews and opinions from prominent researchers.
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