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Period-doubled breathing in trapped Bose-Einstein condensates | | Emil Lundh
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14 May 2004 | | Subject: | Other | cond-mat.other | | Abstract: | The response of a trapped Bose-Einstein condensed gas to a periodic driving force is studied theoretically in the framework of the nonlinear Gross-Pitaevskii equation. The monopole mode is driven by periodical modulation of the frequency of the isotropic harmonic trapping potential. Period-doubled motion is shown to occur when the driving is strong and close to resonance with the monopole mode. A variational model predicts chaotic oscillations but is found to disagree with the full solutions to the Gross-Pitaevskii equation. | | Source: | arXiv, cond-mat/0405316 | | Services: | Forum | Review | PDF | Favorites | |
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