Robust atomic entanglement in two coupled cavities via virtual excitations and quantum Zeno dynamics

Robust atomic entanglement in two coupled cavities via virtual excitations and quantum Zeno dynamics A novel proposal for the robust generation of atomic entanglement in two coupled cavities is proposed, for the first time via virtually excitation and quantum Zeno dynamics. Throughout the procedure, both cavity modes and atoms are only virtually excited, making the system robust against atomic and photonic decays. The influence of the atom-photon decay and the imperfection of the initial atom state on the prepared-state fidelity is also analyzed, which shows that the present scheme is feasible based on current technologies. At last, the proposal is generalized for the preparation of two atomic ensembles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Robust atomic entanglement in two coupled cavities via virtual excitations and quantum Zeno dynamics

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Publisher
Springer US
Copyright
Copyright © 2012 by Springer Science+Business Media, LLC
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-012-0393-8
Publisher site
See Article on Publisher Site

Abstract

A novel proposal for the robust generation of atomic entanglement in two coupled cavities is proposed, for the first time via virtually excitation and quantum Zeno dynamics. Throughout the procedure, both cavity modes and atoms are only virtually excited, making the system robust against atomic and photonic decays. The influence of the atom-photon decay and the imperfection of the initial atom state on the prepared-state fidelity is also analyzed, which shows that the present scheme is feasible based on current technologies. At last, the proposal is generalized for the preparation of two atomic ensembles.

Journal

Quantum Information ProcessingSpringer Journals

Published: Mar 25, 2012

References

  • Can quantum-mechanical description of physical reality be considered complete?
    Einstein, A.; Podolsky, B.; Rosen, N.
  • New Frontiers in quantum information with atoms and ions
    Cirac, J.I.; Zoller, P.
  • The quantum internet
    Kimble, H.J.
  • Single photon emission from a site-controlled quantum dot-micropillar cavity system
    Schneider, C.; Heindel, T.; Huggenberger, A.; Weinmann, P.; Kistner, C.; Kamp, M.; Reitzenstein, S.; Höfling, S.; Forchel, A.
  • Strongly interacting polaritons in coupled arrays of cavities
    Hartmann, M.J.; Brandão, F.G.S.L.; Plenio, M.B.

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