Creating macroscopic atomic Einstein-Podolsky-Rosen states from Bose-Einstein condensates

H. Pu; P. Meystre

doi:10.1103/PhysRevLett.85.3987

Creating macroscopic atomic Einstein-Podolsky-Rosen states from Bose-Einstein condensates

H. Pu, P. Meystre

Physics

Research output: Contribution to journal › Article › peer-review

221 Scopus citations

Abstract

A simple scheme to create a macroscopic Einstein-Podolsky-Rosen (EPR) correlated atomic state is proposed and analyzed. Such a state possesses a nonlocal entanglement and is maximally squeezed, in the sense that the fluctuations of the z component of its quasispin vanish. The study shows that an elongated spinor condensate with large aspect ratio and large energy difference between spin-0 and spin-(±1) states is the best candidate to create such a state. The correlations between the atomic ensembles arise from the nonlinear atom-atom interaction among the condensate atoms.

Original language	English (US)
Pages (from-to)	3987-3990
Number of pages	4
Journal	Physical review letters
Volume	85
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.85.3987
State	Published - Nov 6 2000

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.85.3987

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abstract = "A simple scheme to create a macroscopic Einstein-Podolsky-Rosen (EPR) correlated atomic state is proposed and analyzed. Such a state possesses a nonlocal entanglement and is maximally squeezed, in the sense that the fluctuations of the z component of its quasispin vanish. The study shows that an elongated spinor condensate with large aspect ratio and large energy difference between spin-0 and spin-(±1) states is the best candidate to create such a state. The correlations between the atomic ensembles arise from the nonlinear atom-atom interaction among the condensate atoms.",

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AB - A simple scheme to create a macroscopic Einstein-Podolsky-Rosen (EPR) correlated atomic state is proposed and analyzed. Such a state possesses a nonlocal entanglement and is maximally squeezed, in the sense that the fluctuations of the z component of its quasispin vanish. The study shows that an elongated spinor condensate with large aspect ratio and large energy difference between spin-0 and spin-(±1) states is the best candidate to create such a state. The correlations between the atomic ensembles arise from the nonlinear atom-atom interaction among the condensate atoms.

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Creating macroscopic atomic Einstein-Podolsky-Rosen states from Bose-Einstein condensates

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