Solitons in coupled atomic-molecular Bose-Einstein condensates in a trap

Details Solitons in coupled atomic-molecular Bose-Einstein condensates in a trap Solitons in coupled atomic-molecular Bose-Einstein condensates in a trap

2006-05-16

arxiv.org/abs/cond-mat/0605412v2

J. Phys. B: At. Mol. Opt. Phys. 40 (2007) 1103-1116

Physics

Condensed Matter

Other Condensed Matter

7 pages, 7 figures, published version

Scientific paper

10.1088/0953-4075/40/6/002

We consider coupled atomic-molecular Bose-Einstein condensate system in a quasi-one-dimensional trap. In the vicinity of a Feshbach resonance the system can reveal soliton-like behavior. We analyze bright soliton solutions for the system in the trap and in the presence of the interactions between particles. We show that with increasing number of particles in the system two bright soliton solutions start resembling dark soliton profiles known in an atomic Bose-Einstein condensate with repulsive interactions between atoms. We analyze also methods for experimental preparation and detection of the soliton states.

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