Bose-Einstein condensation of potassium atoms by sympathetic cooling

Year: 2001

Authors: Modugno G., Ferrari G., Roati G., Brecha R. J., Simoni A., Inguscio M.

Autors Affiliation: European Laboratory for Nonlinear Spectroscopy (LENS), Universita di Firenze, and Istituto Nazionale per la Fisica della Materia (INFM), Largo Enrico Fermi 2, 50125 Firenze, Italy.

Abstract: We report on the Bose-Einstein condensation of potassium atoms, whereby quantum degeneracy is achieved by sympathetic cooling with evaporativety cooled rubidium. Because of the rapid thermalization of the two different atoms, the efficiency of the cooling process is high. The ability to achieve condensation by sympathetic cooling with a different species may provide a route to the production of degenerate systems with a larger choice of components.

Journal/Review: SCIENCE

Volume: 294 (5545 )      Pages from: 1320  to: 1322

KeyWords: BEC; sympathetic cooling; potassium; rubidium; atomic physics
DOI: 10.1126/science.1066687

Citations: 334
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