Hamilton, C.S., Gábris, A., Jex, I. and Barnett, S.M. (2011) Quantum walk with a four-dimensional coin. New Journal of Physics, 13, Art. 013015. (doi: 10.1088/1367-2630/13/1/013015)
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Abstract
We examine the physical implementation of a discrete time quantum walk with a four-dimensional coin. Our quantum walker is a photon moving repeatedly through a time delay loop, with time being our position space. The quantum coin is implemented using the internal states of the photon: the polarization and two of the orbital angular momentum states. We demonstrate how to implement this physically and what components would be needed. We then illustrate some of the results that could be obtained by performing the experiment.
| Item Type: | Articles |
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| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Barnett, Professor Stephen |
| Authors: | Hamilton, C.S., Gábris, A., Jex, I., and Barnett, S.M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | New Journal of Physics |
| Publisher: | Institute of Physics Publishing Ltd. |
| ISSN: | 1367-2630 |
| ISSN (Online): | 1367-2630 |
| Copyright Holders: | Copyright © 2011 IOP Publishing Ltd |
| First Published: | First published in New Journal of Physics 13:013015 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher |
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