Long-range gravitational-like interaction in a neutral atomic cold gas

Details Long-range gravitational-like interaction in a neutral atomic cold gas Long-range gravitational-like interaction in a neutral atomic cold gas

2012-02-06

arxiv.org/abs/1202.1258v1

Physics

Atomic Physics

4 pages, 4 figures. In peer review process

Scientific paper

A quasi resonant laser induces a long-range attractive force within a cloud of cold atoms. We take advantage of this force to build in the lab quasi 1D systems of particles with a gravitational-like interaction, at a fluid level of modeling. We give experimental evidences of such an interaction in a Strontium cold gas, studying the density profile of the cloud, its size as a function of the number of atoms and its breathing oscillations.

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