Dark solitons in a two-component Bose-Einstein condensate

Details Dark solitons in a two-component Bose-Einstein condensate Dark solitons in a two-component Bose-Einstein condensate

2000-10-17

arxiv.org/abs/cond-mat/0010232v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 eps figures (due to their large size it could take a while to print them)

Scientific paper

The creation and interaction of dark solitons in a two-component Bose-Einstein condensate is investigated. For a miscible case, the interaction of dark solitons in different components is studied. Various possible scenarios are presented, including the formation of a soliton-soliton bound pair. We also analyze the soliton propagation in the presence of domains, and show that a dark soliton can be transferred from one component to the other at the domain wall when it exceeds a critical velocity. For lower velocities multiple reflections within the domain are observed, where the soliton is evaporated and accelerated after each reflection until it finally escapes from the domain.

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