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Phys. Rev. A 70, 011403(R) (2004) [4 pages]

Thermodynamics of a multicomponent-atom sample in a tightly compressed atom trap

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A. Shevchenko* and M. Kaivola
Department of Engineering Physics and Mathematics, Helsinki University of Technology, P. O. Box 2200, FIN-02015 HUT, Finland

J. Javanainen
Department of Physics, University of Connecticut, Storrs, Connecticut 06269-3046, USA

Received 23 February 2004; revised 30 April 2004; published 28 July 2004

We use classical statistical mechanics and thermodynamics to describe the response of a trapped multi-species atomic sample to a local deformation in the confining potential. An adiabatic deformation may not only increase the peak phase-space density, but also lower the temperature and spin-polarize the atoms.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.011403
DOI:
10.1103/PhysRevA.70.011403
PACS:
32.80.Pj, 05.70.Ce, 39.25.+k

*Electronic address: andrej@focus.hut.fi