J. Phys. IV France 116 (2004) 219-226
One-dimensional behavior of elongated Bose-Einstein condensatesP. Bouyer1, J.H. Thywissen2, F. Gerbier1, M. Hugbart1, S. Richard1, J. Retter1 and A. Aspect1
1 Laboratoire Charles Fabry de l'Institut d'Optique, UMR 8501 du CNRS, 91403 Orsay Cedex, France
2 Department of Physics, 60 St George Street, University of Toronto, Toronto, ON, M5S 1A7, Canada
We study the properties of elongated Bose-Einstein condensates. First, we show that the dimensions of the condensate after expansion differs from the 3D Thomas-Fermi regime. We also study the coherence length of such elongated condensates.
© EDP Sciences 2004