Interacting atoms in optical lattices

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We propose an easy to use model to solve for interacting atoms in an optical lattice. This model allows for the whole range of weakly to strongly interacting atoms, and it includes the coupling between relative and center-of-mass motion via anharmonic lattice terms. We apply this model to a high-precision spin dynamics experiment, and we discuss the corrections due to atomic interactions and the anharmonic coupling. Under suitable experimental conditions, energy can be transferred between the relative and center-of-mass motion, and this allows for creation of Feshbach molecules in excited lattice bands.
7 pages, 4 figures

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Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/163866

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.4784
 http://arxiv.org/abs/0806.4784

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arXiv