Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2002-12-09
Physics
Condensed Matter
Statistical Mechanics
Scientific paper
10.1088/0953-4075/36/13/311
We present a theoretical model to describe the dynamics of Bose-Einstein condensates in anharmonic trapping potentials. To first approximation the center-of-mass motion is separated from the internal condensate dynamics and the problem is reduced to the well known scaling solutions for the Thomas-Fermi radii. We discuss the validity of this approach and analyze the model for an anharmonic waveguide geometry which was recently realized in an experiment \cite{Ott2002c}.
Fortagh József
Ott Herwig
Zimmermann Catherine
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