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|Author(s):||B L. Tolra; K M. O'Hara; J H. Huckans; William D. Phillips; S L. Rolston; James V. Porto;|
|Title:||Observation of Reduced Three-Body Recombination in a Fermionized 1D Bose Gas|
|Published:||May 14, 2004|
|Abstract:||We investigate correlation properties of a one-dimensional interacting Bose gas by loading a mangnetically trapped 87Rb 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 coeffient 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 regine and the strongly correlated Tonks-Girardeau regime.|
|Citation:||Physical Review Letters|
|Keywords:||1D gas,BEC,optica lattice|