J. Phys. IV France
Volume 116, October 2004
Page(s) 219 - 226

J. Phys. IV France 116 (2004) 219-226

DOI: 10.1051/jp4:2004116009

One-dimensional behavior of elongated Bose-Einstein condensates

P. 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