Volume 63, Number 6, September 2003
|Page(s)||812 - 818|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 November 2003|
Continuous optical loading of a Bose-Einstein condensate in the Thomas-Fermi regime
Institut für Theoretische Physik, Universität Hannover - D-30167 Hannover, Germany
Accepted: 24 June 2003
We discuss the optical loading of a Bose-Einstein condensate in the Thomas-Fermi regime. The condensate is loaded via spontaneous emission from a reservoir of excited-state atoms. By means of a master equation formalism, we discuss the modification of the condensate temperature during the loading. We identify the threshold temperature, , above (below) which the loading process leads to cooling (heating), respectively. The consequences of our analysis for the continuous loading of an atom laser are discussed.
PACS: 42.50.Vk – Mechanical effects of light on atoms, molecules, electrons, and ions / 03.75.Kk – Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow / 03.75.Pp – Atom lasers
© EDP Sciences, 2003
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