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Squeezing and entangling atomic motion in cavity QED via quantum nondemolition measurement

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Abstract.

We propose a scheme for preparing the squeezing of an atomic motion and an Einstein-Podolsky-Rosen state in position and momentum of a pair of distantly separated trapped atoms. The scheme utilizes the quantum nondemolition measurements with interaction between the cavity field and the motional state of the trapped atom in cavity QED. By illuminating the atoms with bichromatic light, the interaction Hamiltonian of the cross-Kerr effect between the cavity and atomic motion is generated to implement quantum nondemolition measurements.

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Author information

Authors and Affiliations

  1. The State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, 030006, Taiyuan, P.R. China

    J. Zhang & K. Peng

Authors
  1. J. Zhang
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  2. K. Peng
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Corresponding author

Correspondence to J. Zhang.

Additional information

Received: 5 February 2003, Published online: 17 July 2003

PACS:

03.67.Hk Quantum communication - 32.80.Lg Mechanical effects of light on atoms, molecules, and ions - 42.50.-p Quantum optics

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Zhang, J., Peng, K. Squeezing and entangling atomic motion in cavity QED via quantum nondemolition measurement. Eur. Phys. J. D 25, 89–93 (2003). https://doi.org/10.1140/epjd/e2003-00217-3

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  • DOI: https://doi.org/10.1140/epjd/e2003-00217-3

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