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Dynamical properties of a rotating Bose-Einstein condensate |
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| Authors: | S. Kling A. Pelster |
| Affiliation: | 1. Institut für Angewandte Physik, Universit?t Bonn, Wegelerstraβe 8, 53115, Bonn, Germany 2. Institut für Theoretische Physik, Freie Universit?t Berlin, Arnimallee 14, 14195, Berlin, Germany 3. Fachbereich Physik, Universit?t Duisburg-Essen, Lotharstraβe 1, 47048, Duisburg, Germany |
| Abstract: | Within a variational approach to solving the Gross-Pitaevskii equation we investigate dynamical properties of a rotating Bose-Einstein condensate confined in an anharmonic trap. In particular, we calculate the eigenfrequencies of low-energy excitations out of the equilibrium state and the aspect ratio of the condensate widths during the free expansion. |
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