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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board Member: Fetecau, Corina / Kiefer, Claus / Röpke, Gerd / Steeb, Willi-Hans

12 Issues per year


IMPACT FACTOR 2016: 1.432

Cite Score 2016: 1.35

SCImago Journal Rank (SJR) 2016: 0.368
Source Normalized Impact per Paper (SNIP) 2016: 0.594

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ISSN
1865-7109
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Volume 56, Issue 1-2 (Feb 2001)

Issues

Verifying Atom Entanglement Schemes by Testing Bell's Inequality

Dimitris G. Angelakis / Almut Beigea
  • Optics Section, Blackett Laboratory, Imperial College, London SW7 2BW, England
  • Max-Planck-Institute for Quantum Optics, Hans-Kopfermann-Straße 1, D-85748 Garching
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Peter L. Knight / William J. Munro
  • Optics Section, Blackett Laboratory, Imperial College, London SW7 2BW, England
  • Special Research Centre for Quantum Computer Technology, The University of Queensland, 4072 Brisbane, Australia; Present address: Hewlett-Packard Laboratories, Filton Road, Stoke Gifford, Bristol BS34 8QZ, UK
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Ben Tregenn
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-2001-0106

Abstract

Recent experiments to test B ell's inequality using entangled photons and ions aimed at tests of basic quantum mechanical principles. Interesting results have been obtained and many loopholes could be closed. In this paper we want to point out that tests of Bell's inequality also play an important role in verifying atom entanglement schemes. We describe as an example a scheme to prepare arbitrary entangled states of N two-level atoms using a leaky optical cavity and a scheme to entangle atoms inside a photonic crystal. During the state preparation no photons are emitted, and observing a violation of B ell's inequality is the only way to test whether a scheme works with a high precision or not.

Keywords: Bell Inequality Tests; Atom Entanglement Schemes; Quantum Computing; Manipulation of Decoherence-free States

About the article

Received: 2001-02-16

Published Online: 2014-06-02

Published in Print: 2001-02-01


Citation Information: Zeitschrift für Naturforschung A, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-2001-0106.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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