Formation of a matter-wave bright soliton

Year: 2002

Authors: Khaykovich L., Schreck F., Ferrari G., Bourdel T., Cubizolles J., Carr L. D., Castin Y., Salomon C.

Autors Affiliation: Laboratoire Kastler Brossel, Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris Cedex 05,France; European Laboratory for Non-Linear Spectroscopy–Istituto Nazýonale per la Fisica della Materia, Largo E. Fermi 2, Firenze 50125, Italy

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 millimeter is observed. A simple theoretical model explains the stability region of the soliton. These matter-wave solitons open possibilities for future applications in coherent atom optics, atom interferometry, and atom transport.

Journal/Review: SCIENCE

Volume: 296 (5571)      Pages from: 1290  to: 1293

KeyWords: soliton; feshbach resonance; BEC
DOI: 10.1126/science.1071021

Citations: 1410
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