Three-body decay of a rubidium Bose-Einstein condensate.

Söding, J.; Guery-Odelin, D.; Desbiolles, P.; Chevy, F.; Inamori, H.; Dalibard, J.

doi:10.1007/s003400050805

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Three-body decay of a rubidium Bose-Einstein condensate.

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Söding, J.
Research Group of Computational Biology, MPI for Biophysical Chemistry, Max Planck Society;

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Citation

Söding, J., Guery-Odelin, D., Desbiolles, P., Chevy, F., Inamori, H., & Dalibard, J. (1999). Three-body decay of a rubidium Bose-Einstein condensate. Applied Physics B-Photophysics and Laser Chemistry, 69(4), 257-261. doi:10.1007/s003400050805.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0017-ED98-3

Abstract

We have measured the three-body decay of a Bose–Einstein condensate of rubidium (87Rb) atoms prepared in the doubly polarized ground state F=m F =2. Our data are taken for a peak atomic density in the condensate varying between 2×1014 cm-3 at initial time and 7×1013 cm-3, 16 s later. Taking into account the influence of the uncondensed atoms on the decay of the condensate, we deduce a rate constant for condensed atoms L=1.8 (±0.5) ×10-29 cm6 s-1. For these densities we did not find a significant contribution of two-body processes such as spin dipole relaxation.