Observation of Reduced Three-Body Recombination in a Fermionized 1D Bose Gas

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We investigate correlation properties of a one-dimensional interacting Bose gas by loading a magnetically trapped 87-Rb Bose-Einstein condensate into a deep two-dimensional optical lattice. We measure the three-body recombination rate for both the BEC in the magnetic trap and the BEC loaded into the optical lattice. The recombination rate coefficient is a factor of seven smaller in the lattice, which we interpret as a reduction in the local three-body correlation function in the 1D case. This is a signature of correlation intermediate between that of the uncorrelated phase coherent 1D mean-field regime and the strongly correlated Tonks-Girardeau regime.
5 pages, 3 figures, submitted to Physical Review Letters

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Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/22802

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0312003
 http://arxiv.org/abs/cond-mat/0312003

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arXiv