Loss of superfluidity in a Bose-Einstein condensate via forced resonant oscillations

Details Loss of superfluidity in a Bose-Einstein condensate via forced resonant oscillations Loss of superfluidity in a Bose-Einstein condensate via forced resonant oscillations

2003-04-22

arxiv.org/abs/cond-mat/0304490v2

Phys. Lett. A 313 (2003) 211-217

Physics

Condensed Matter

Soft Condensed Matter

12 Latex Pages, 12 eps figures, Accepted in Physics Letters A

Scientific paper

10.1016/S0375-9601(03)00728-X

We predict the loss of superfluidity in a Bose-Einstein condensate in an axially symmetric harmonic trap alone during resonant collective oscillations via a classical dynamical transition. The forced resonant oscillation can be initiated by (a) a periodic modulation of the atomic scattering length with a frequency that equals twice the radial trapping frequency or multiples thereof, or by (b) a periodic modulation of the radial trapping potential with a frequency that equals the radial trapping frequency or multiples thereof. Suggestion for future experiment is made.

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