Trapping a particle of a quantum walk on the line

2011/12/06 by Antoni Wojcik, Tomasz Luczak, Pawel Kurzynski +3 · 1 citation
Physics and Astronomy · #quant-ph

paper · pdf · doi:10.1103/physreva.85.012329

published as Phys. Rev. A 85, 012329 (2012) · 5 pages, 4 figures

arxiv created 2011/12/06 · arxiv updated 2015/03/19

Abstract

We observe that changing a phase at a single point in a discrete quantum walk results in a rather surprising localization effect. For certain values of this phase change the possibility of localization strongly depends on the internal coin-state of the walker.

Cited by

• Quantum walker trapped by self-similarity of the Sierpiński carpet