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Formation of a Matter-Wave Bright Soliton

Abstract : 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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Submitted on : Wednesday, May 26, 2004 - 4:35:07 PM
Last modification on : Monday, May 9, 2022 - 11:58:07 AM



L. Khaykovich, F. Schreck, G. Ferrari, Thomas Bourdel, Julien Cubizolles, et al.. Formation of a Matter-Wave Bright Soliton. Science, American Association for the Advancement of Science (AAAS), 2002, 296, pp.1290. ⟨hal-00001628⟩



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