Collapse and three-body loss in a 85Rb Bose-Einstein condensate

P. A. Altin; G. R. Dennis; G. D. McDonald; D. Döring; J. E. Debs; J. D. Close; C. M. Savage; N. P. Robins

doi:10.1103/PhysRevA.84.033632

Collapse and three-body loss in a 85Rb Bose-Einstein condensate

P. A. Altin^*, G. R. Dennis, G. D. McDonald, D. Döring, J. E. Debs, J. D. Close, C. M. Savage, N. P. Robins

^*Corresponding author for this work

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

43 Citations (Scopus)

Abstract

Collapsing Bose-Einstein condensates are rich and complex quantum systems for which quantitative explanation by simple models has proved elusive. We present experimental data on the collapse of high-density 85Rb condensates with attractive interactions and find quantitative agreement with the predictions of the Gross-Pitaevskii equation. The collapse data and measurements of the decay of atoms from our condensates allow us to put new limits on the value of the 85Rb three-body loss coefficient K₃ at small positive and negative scattering lengths.

Original language	English
Article number	033632
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	84
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.84.033632
Publication status	Published - 26 Sept 2011

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abstract = "Collapsing Bose-Einstein condensates are rich and complex quantum systems for which quantitative explanation by simple models has proved elusive. We present experimental data on the collapse of high-density 85Rb condensates with attractive interactions and find quantitative agreement with the predictions of the Gross-Pitaevskii equation. The collapse data and measurements of the decay of atoms from our condensates allow us to put new limits on the value of the 85Rb three-body loss coefficient K3 at small positive and negative scattering lengths.",

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AU - Debs, J. E.

AU - Close, J. D.

AU - Savage, C. M.

AU - Robins, N. P.

PY - 2011/9/26

Y1 - 2011/9/26

N2 - Collapsing Bose-Einstein condensates are rich and complex quantum systems for which quantitative explanation by simple models has proved elusive. We present experimental data on the collapse of high-density 85Rb condensates with attractive interactions and find quantitative agreement with the predictions of the Gross-Pitaevskii equation. The collapse data and measurements of the decay of atoms from our condensates allow us to put new limits on the value of the 85Rb three-body loss coefficient K3 at small positive and negative scattering lengths.

AB - Collapsing Bose-Einstein condensates are rich and complex quantum systems for which quantitative explanation by simple models has proved elusive. We present experimental data on the collapse of high-density 85Rb condensates with attractive interactions and find quantitative agreement with the predictions of the Gross-Pitaevskii equation. The collapse data and measurements of the decay of atoms from our condensates allow us to put new limits on the value of the 85Rb three-body loss coefficient K3 at small positive and negative scattering lengths.

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DO - 10.1103/PhysRevA.84.033632

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JF - Physical Review A - Atomic, Molecular, and Optical Physics

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Collapse and three-body loss in a 85Rb Bose-Einstein condensate

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