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APS » Journals » Phys. Rev. Lett. » Volume 85 » Issue 26
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Phys. Rev. Lett. 85, 5639–5642 (2000)

Atomic Quantum State Teleportation and Swapping

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A. Kuzmich1,* and E. S. Polzik2
1Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627
2Institute of Physics and Astronomy, Aarhus University, 8000 Aarhus, Denmark

Received 3 March 2000; published in the issue dated 25 December 2000

A set of protocols for atoms-photons and atoms-atoms quantum state teleportation and swapping utilizing Einstein-Podolsky-Rosen light is proposed. The protocols work for polarization quantum states of multiphoton light pulses and macroscopic samples of atoms, i.e., for continuous quantum variables. A simple free space interaction of polarized light with a spin polarized atomic ensemble is shown to suffice for these protocols. Feasibility of experimental realization using gas samples of atoms is analyzed.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.5639
DOI:
10.1103/PhysRevLett.85.5639
PACS:
03.67.Hk, 03.65.Bz, 42.50.Ct, 42.50.Dv

*Present address: NEC Research Institute, Inc., 4 Independence Way, Princeton, NJ 08540-6634.

 
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