Abstract
An appropriate, time-dependent modification of the trapping potential may be sufficient to create effectively collective excitations in a cold-atom Bose-Einstein condensate. The proposed method is complementary to earlier suggestions and should allow the creation of both dark solitons and vortices.
- Received 4 July 2001
DOI:https://doi.org/10.1103/PhysRevA.65.013604
©2001 American Physical Society
