Generation of continuous variable squeezing and entanglement of trapped ions in time-varying potentials

Generation of continuous variable squeezing and entanglement of trapped ions in time-varying... We investigate the generation of squeezing and entanglement for the motional degrees of freedom of ions in linear traps, confined by time-varying and oscillating potentials, comprised of a DC and an AC component. We show that high degrees of squeezing and entanglement can be obtained by controlling either the DC or the AC trapping component (or both), and by exploiting transient dynamics in regions where the ions’ motion is unstable, without any added optical control. Furthermore, we investigate the time-scales over which the potentials should be switched in order for the manipulations to be most effective. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Generation of continuous variable squeezing and entanglement of trapped ions in time-varying potentials

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Publisher
Springer US
Copyright
Copyright © 2009 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/s11128-009-0141-x
Publisher site
See Article on Publisher Site

Abstract

We investigate the generation of squeezing and entanglement for the motional degrees of freedom of ions in linear traps, confined by time-varying and oscillating potentials, comprised of a DC and an AC component. We show that high degrees of squeezing and entanglement can be obtained by controlling either the DC or the AC trapping component (or both), and by exploiting transient dynamics in regions where the ions’ motion is unstable, without any added optical control. Furthermore, we investigate the time-scales over which the potentials should be switched in order for the manipulations to be most effective.

Journal

Quantum Information ProcessingSpringer Journals

Published: Oct 2, 2009

References

  • Entangled mechanical oscillators
    Jost, J.D.; Home, J.P.; Amini, J.M.; Hanneke, D.; Ozeri, R.; Langer, C.; Bollinger, J.J.; Leibfried, D.; Wineland, D.J.

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