Bloch Structures in a Rotating Bose-Einstein Condensate

Details Bloch Structures in a Rotating Bose-Einstein Condensate Bloch Structures in a Rotating Bose-Einstein Condensate

2004-01-14

arxiv.org/abs/cond-mat/0401228v2

Phys. Rev. Lett. 93, 220402 (2004)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.93.220402

A rotating Bose-Einstein condensate is shown to exhibit a Bloch band structure without the need of periodic potential. Vortices enter the condensate by a mechanism similar to the Bragg reflection, if the frequency of a rotating drive or the strength of interaction is adiabatically changed. A localized state analogous to a gap soliton in a periodic system is predicted near the edge of the Brillouin zone.

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