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