Enhanced oscillation lifetime of a Bose-Einstein condensate in the 3D/1D crossover

Abstract

We have measured the damped motion of a trapped Bose-Einstein condensate, oscillating with respect to a thermal cloud. The cigar-shaped trapping potential provides enough transverse confinement that the dynamics of the system are intermediate between three-dimensional and one-dimensional. We find that oscillations persist for longer than expected for a three-dimensional gas. We attribute this to the suppressed occupation of transverse momentum states, which are essential for damping.

References in corpus (2)

• Quench-induced breathing mode of one-dimensional Bose gases
• Measuring Energy Differences by BEC Interferometry on a Chip

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