Evidence for a Critical Velocity in a Bose-Einstein Condensed Gas
- 27 September 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 83 (13), 2502-2505
- https://doi.org/10.1103/physrevlett.83.2502
Abstract
We have studied dissipation in a Bose-Einstein condensed gas by moving a blue detuned laser beam through the condensate at different velocities. Strong heating was observed only above a critical velocity.Keywords
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