Coherent evolution of bouncing bose-einstein condensates

K. Bongs; S. Burger; G. Birkl; K. Sengstock; W. Ertmer; K. Rzazewski; A. Sanpera; M. Lewenstein

doi:10.1103/PhysRevLett.83.3577

Coherent evolution of bouncing bose-einstein condensates

K. Bongs, S. Burger, G. Birkl, K. Sengstock, W. Ertmer, K. Rzazewski, A. Sanpera, M. Lewenstein

Physics and Astronomy

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

120 Citations (Scopus)

Abstract

We investigate the evolution of Bose-Einstein condensates falling under gravity and bouncing off a mirror formed by a far-detuned sheet of light. After reflection, the atomic density profile develops splitting and interference structures which depend on the drop height, on the strength of the light sheet, as well as on the initial mean field energy and size of the condensate. We compare experimental results with simulations of the Gross-Pitaevski equation. A comparison with the behavior of bouncing thermal clouds allows us to identify quantum features specific for condensates.

Original language	English
Pages (from-to)	3577-3580
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.83.3577
Publication status	Published - 1 Jan 1999

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.83.3577

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AU - Sanpera, A.

AU - Lewenstein, M.

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AB - We investigate the evolution of Bose-Einstein condensates falling under gravity and bouncing off a mirror formed by a far-detuned sheet of light. After reflection, the atomic density profile develops splitting and interference structures which depend on the drop height, on the strength of the light sheet, as well as on the initial mean field energy and size of the condensate. We compare experimental results with simulations of the Gross-Pitaevski equation. A comparison with the behavior of bouncing thermal clouds allows us to identify quantum features specific for condensates.

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Coherent evolution of bouncing bose-einstein condensates

Abstract

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