Dynamics of a Bose-Einstein-condensate bright soliton in an expulsive potential
Journal Article
·
· Physical Review. A
- Istituto Nazionale per la Fisica della Materia, Unita di Milano, Dipartimento di Fisica, Universita di Milano, Via Celoria 16, 20133 Milan (Italy)
We theoretically investigate the dynamics of a matter-wave soliton created in a harmonic potential, which is attractive in the transverse direction but expulsive in the longitudinal direction. This Bose-Einstein-condensate (BEC) bright soliton made of {sup 7}Li atoms has been observed in a recent experiment [Khaykovich et al., Science 296, 1290 (2002)]. We show that the nonpolynomial Schroedinger equation, an effective one-dimensional equation we derived from the three-dimensional Gross-Pitaevskii equation, is able to reproduce the main experimental features of this BEC soliton in an expulsive potential.
- OSTI ID:
- 20646265
- Journal Information:
- Physical Review. A, Vol. 70, Issue 5; Other Information: DOI: 10.1103/PhysRevA.70.053617; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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