Continuous-time quantum walks on star graphs

被引：30
|
作者：
Salimi, S. [1 ]
机构：
[1] Univ Kurdistan, Dept Phys, Sanandaj, Iran
来源：
ANNALS OF PHYSICS | 2009年 / 324卷 / 06期
关键词：
Continuous-time quantum walk; Star graph; Spectral distribution;
D O I：
10.1016/j.aop.2009.03.002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we investigate continuous-time quantum walk on star graphs. It is shown that quantum central limit theorem for a continuous-time quantum walk on star graphs for N-fold star power graph, which are invariant under the quantum component of adjacency matrix, converges to continuous-time quantum walk on K-2 graphs (complete graph with two vertices) and the probability of observing walk tends to the uniform distribution. (c) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：1185 / 1193
页数：9
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