| Issue |
Europhys. Lett.
Volume 69, Number 6, March 2005
|
|
|---|---|---|
| Page(s) | 920 - 923 | |
| Section | Atomic and molecular physics | |
| DOI | https://doi.org/10.1209/epl/i2004-10445-5 | |
| Published online | 11 February 2005 | |
Gross-Pitaevski equation and resonances in Bose-Einstein condensates
1
Department of Physics, University of Coimbra - P-3000 Coimbra, Portugal
2
Department of Physics and Astronomy, University of Delaware Newark, DE 19711, USA
3
Physics Department, Southern Illinois University Carbondale, IL 62901, USA
Received:
14
September
2004
Accepted:
21
January
2005
The investigation provides a criterion for the occurrence of resonances for the scattering by potentials. The Gross-Pitaevski equation, used in describing physical properties in Bose-Einstein condensates, is not compatible with the occurrence of the observed resonances. On the other hand, Geltman-Bambini and Krauss-Stevens potentials could fulfill this criterion.
PACS: 34.20.-b – Interatomic and intermolecular potentials and forces, potential energy surfaces for collisions / 34.90.+q – Other topics in atomic and molecular collision processes and interactions
© EDP Sciences, 2005
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