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Open Physics

formerly Central European Journal of Physics

Editor-in-Chief: Feng, Jonathan

Managing Editor: Lesna-Szreter, Paulina

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IMPACT FACTOR 2016 (Open Physics): 0.745
IMPACT FACTOR 2016 (Central European Journal of Physics): 0.765

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2391-5471
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Volume 11, Issue 8

Issues

Effective protocol for preparation of three-atom Greenberger-Horne-Zeilinger state and W state with the help of cross-Kerr nonlinearity

Yi-Hao Kang / Yan Xia / Pei-Min Lu
Published Online: 2013-10-23 | DOI: https://doi.org/10.2478/s11534-013-0289-y

Abstract

We propose a protocol to generate a Greenberger-Horne-Zeilinger (GHZ) state andWstate by using simple linear elements and quantum nondemolition detectors (QNDs). With the help of cross-Kerr nonlinearity, our protocol can generate the intended states with only one setup, and the probability of getting a W state is greatly increased when compared with previous schemes [Phys. Rev. A 75 (2007) 044301]. Also, our proposed protocol is realizable in experiments.

Keywords: GHZ state; W state; quantum nondemolition detector; cross-Kerr nonlinearity

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About the article

Published Online: 2013-10-23

Published in Print: 2013-08-01


Citation Information: Open Physics, Volume 11, Issue 8, Pages 1030–1035, ISSN (Online) 2391-5471, DOI: https://doi.org/10.2478/s11534-013-0289-y.

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© 2013 Versita Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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