Observation of reduced three-body recombination in a correlated 1D degenerate 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

The correlation properties of a one-dimensional interacting Bose gas by loading a magnetically trapped 87Rb Bose-Einstien condensate (BEC) into a deep two-dimensional optical lattice were investigated. The three-body recombination rate was measured for both the BEC in the magnetic trap and the BEC loaded into the optical lattice. It was found that the recombination rate coefficient was a factor of 7 smaller in the lattice, which was interpret as a reduction in the local three-body correlation function in the 1D case. The results show a signature of correlation intermediate between that of the uncorrelated, phase coherent, 1D, mean-field regime and the strongly correlated Tonks-Girardeau regime.

Original languageEnglish (US)
Article number197004
Pages (from-to)190401-1-190401-4
JournalPhysical Review Letters
Volume92
Issue number19
DOIs
StatePublished - May 14 2004

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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