One-dimensional quantum walks with single-point phase defects

Rong Zhang*, Peng Xue, Jason Twamley

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Citations (Scopus)
11 Downloads (Pure)

Abstract

We observe the localization effect of one-dimensional quantum walks with single-point phase defects. The walker's spread velocity is dramatically suppressed by interference effects due to the phase defect. We show that the localization effect depends on four factors: the value and the position of the phase defect, the parameter of coin flipping, and the initial state of the walker + coin system.

Original languageEnglish
Article number042317
Pages (from-to)1-6
Number of pages6
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume89
Issue number4
DOIs
Publication statusPublished - 21 Apr 2014

Bibliographical note

Zhang, R., Xue, P., & Twamley, J. (2014). One-dimensional quantum walks with single-point phase defects. Physical Review A, 89(4), 042317. Copyright (2014) by the American Physical Society. The original article can be found at http://dx.doi.org/10.1103/PhysRevA.89.042317

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