Phys. Rev. A 61, 061601(R) (2000) [4 pages]

Ideal gases in time-dependent traps

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Georg M. Bruun and Charles W. Clark
Electron and Optical Physics Division, National Institute of Standards and Technology, United States Department of Commerce, Gaithersburg, Maryland 20899-8410

Received 10 September 1999; published 8 May 2000

We investigate, theoretically, the properties of an ideal trapped gas in a time-dependent harmonic potential. Using a scaling formalism, we are able to present exact analytical results for two important classes of experiments: free expansion of the gas upon release of the trap and the response of the gas to a harmonic modulation of the trapping potential. We present specific results relevant to current experiments on trapped fermions.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.61.061601

DOI:

10.1103/PhysRevA.61.061601

PACS:

05.30.Fk

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Phys. Rev. A 61, 061601(R) (2000) [4 pages]

Ideal gases in time-dependent traps