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History dependent quantum walk on the cycle with an unbalanced coin

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  • Krawec, Walter O.

Abstract

Recently, a new model of quantum walk, utilizing recycled coins, was introduced; however little is yet known about its properties. In this paper, we study its behavior on the cycle graph. In particular, we will consider its time averaged distribution and how it is affected by the walk’s “memory parameter”—a real parameter, between zero and eight, which affects the walk’s coin flip operator. Despite an infinite number of different parameters, our analysis provides evidence that only a few produce non-uniform behavior. Our analysis also shows that the initial state, and cycle size modulo four all affect the behavior of this walk. We also prove an interesting relationship between the recycled coin model and a different memory-based quantum walk recently proposed.

Suggested Citation

  • Krawec, Walter O., 2015. "History dependent quantum walk on the cycle with an unbalanced coin," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 428(C), pages 319-331.
    • Handle: RePEc:eee:phsmap:v:428:y:2015:i:c:p:319-331
    DOI: 10.1016/j.physa.2015.02.061
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    References listed on IDEAS

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    1. Mc Gettrick, Michael & Miszczak, Jarosław Adam, 2014. "Quantum walks with memory on cycles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 399(C), pages 163-170.
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