First and Second Sound Modes of a Bose-Einstein Condensate in a Harmonic Trap
- 4 May 1998
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 80 (18) , 3895-3898
- https://doi.org/10.1103/physrevlett.80.3895
Abstract
We have calculated the first and second sound modes of a dilute interacting Bose gas in a spherical trap for temperatures ($0.6
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