Limit theorems for a localization model of 2-state quantum walks

Details Limit theorems for a localization model of 2-state quantum walks Limit theorems for a localization model of 2-state quantum walks

2010-08-06

arxiv.org/abs/1008.1116v2

Physics

Quantum Physics

International Journal of Quantum Information, Vol.9, No.3, pp.863-874 (2011)

Scientific paper

10.1142/S0219749911007460

We consider 2-state quantum walks (QWs) on the line, which are defined by two matrices. One of the matrices operates the walk at only half-time. In the usual QWs, localization does not occur at all. However, our walk can be localized around the origin. In this paper, we present two limit theorems, that is, one is a stationary distribution and the other is a convergence theorem in distribution.

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