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- Evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries
- Adhikari, S. K.
- Universidade Estadual Paulista (UNESP)
- Based on the time-dependent Gross-Pitaevskii equation we study the evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries to see the effect of confinement on collapse and subsequent explosion, which can be verified in future experiments. We make a prediction for the evolution of the shape of the condensate and the number of atoms in it for different trap symmetries (cigar to pancake) as well as in the presence of an optical lattice potential. We also make a prediction for the jet formation in different cases when the collapse is suddenly terminated by changing the scattering length to zero via a Feshbach resonance. In addition to the usual global collapse to the center of the condensate, in the presence of an optical-lattice potential one could also have in certain cases independent collapse of parts of the condensate to local centers, which could be verified in experiments.
- Physical Review A. College Pk: American Physical Soc, v. 71, n. 5, 8 p., 2005.
- American Physical Soc
- Acesso restrito
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