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Three-body problem in a dilute Bose-Einstein condensate

Kohler, T; (2002) Three-body problem in a dilute Bose-Einstein condensate. Physical Review Letters , 89 (21) , Article 210404. 10.1103/PhysRevLett.89.210404. Green open access

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Abstract

We derive the explicit three-body contact potential for a dilute condensed Bose gas from microscopic theory. The three-body coupling constant exhibits the general form predicted by Wu [ Phys. Rev. 115 1390 (1959)] and is determined in terms of the amplitudes of two- and three-body collisions in vacuum. In the present form, the coupling constant becomes accessible to quantitative studies which should provide the crucial link between few-body collisions and the stability of condensates with attractive two-body forces.

Type: Article
Title: Three-body problem in a dilute Bose-Einstein condensate
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.89.210404
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.89.210404
Language: English
Additional information: © 2002 The American Physical Society
Keywords: Three-body, problem, dilute, Bose-Einstein, condensate
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/9669
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