Barrier resonances in Bose-Einstein condensation

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We study the dynamics of the mean field model of a Bose-Einstein condensed atom cloud in a parametrically forced trap by using analytical and numerical techniques. The dynamics is related to a classical Mathieu oscillator in a singular potential. It is found that there are wide resonances which can strongly affect the dynamics even when dissipation is present. Different geometries of the forcing are discussed, as well as the implications of our results.
11 pages, 8 postscript figures included

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/173668

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9811274
 http://arxiv.org/abs/cond-mat/9811274
 Phys. Rev. A 59, 2220 (1999)
 doi:10.1103/PhysRevA.59.2220

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arXiv