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Phys. Rev. Lett. 85, 3987–3990 (2000)

Creating Macroscopic Atomic Einstein-Podolsky-Rosen States from Bose-Einstein Condensates

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H. Pu and P. Meystre
Optical Sciences Center, The University of Arizona, Tucson, Arizona 85721

Received 5 July 2000; published in the issue dated 6 November 2000

See accompanying Physics Focus

We present a scheme for creating quantum entangled atomic states through the coherent spin-exchange collision of a spinor Bose-Einstein condensate. The state generated possesses macroscopic Einstein-Podolsky-Rosen correlation and the fluctuation in one of its quasispin components vanishes. We show that an elongated condensate with large aspect ratio is most suitable for creating such a state.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3987
DOI:
10.1103/PhysRevLett.85.3987
PACS:
03.65.Bz, 03.67.-a, 03.75.Fi