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

B. Laburthe Tolra·K. M. O'Hara·J. H. Huckans·W. D. Phillips·S. L. Rolston·J. V. Porto
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Abstract

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.

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B. Laburthe Tolra, K. M. O'Hara, J. H. Huckans, W. D. Phillips, S. L. Rolston, J. V. Porto. 2003-11-29. Observation of Reduced Three-Body Recombination in a Fermionized 1D Bose Gas. https://arxiv.org/abs/cond-mat/0312003

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