Double barrier potentials for matter-wave gap solitons

Details Double barrier potentials for matter-wave gap solitons Double barrier potentials for matter-wave gap solitons

2008-04-21

arxiv.org/abs/0804.3287v1

Phys. Rev. A 78, 013608 (2008)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 4 figures

Scientific paper

10.1103/PhysRevA.78.013608

We investigate collisions of solitons of the gap type, supported by a lattice potential in repulsive Bose-Einstein condensates, with an effective double-barrier potential that resembles a Fabry-Perot cavity. We identify conditions under which the trapping of the entire incident soliton in the cavity is possible. Collisions of the incident soliton with an earlier trapped one are considered too. In the latter case, many outcomes of the collisions are identified, including merging, release of the trapped soliton with or without being replaced by the incoming one, and trapping of both solitons.

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