| Issue |
Europhys. Lett.
Volume 63, Number 6, September 2003
|
|
|---|---|---|
| Page(s) | 812 - 818 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2003-00594-y | |
| 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
Received:
19
March
2003
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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