Formation of a Matter-Wave Bright Soliton

Details Formation of a Matter-Wave Bright Soliton Formation of a Matter-Wave Bright Soliton

2002-05-17

arxiv.org/abs/cond-mat/0205378v1

Science, 296, 1290-1293 (2002)

Physics

Condensed Matter

11 pages, 5 figures

Scientific paper

10.1126/science.1071021

We report the production of matter-wave solitons in an ultracold lithium 7 gas. The effective interaction between atoms in a Bose-Einstein condensate is tuned with a Feshbach resonance from repulsive to attractive before release in a one-dimensional optical waveguide. Propagation of the soliton without dispersion over a macroscopic distance of 1.1 mm is observed. A simple theoretical model explains the stability region of the soliton. These matter-wave solitons open fascinating possibilities for future applications in coherent atom optics, atom interferometry and atom transport.

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