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Proceedings Paper

Dynamic critical phenomena in trapped Bose gases
Author(s): V. I. Yukalov; E. P. Yukalova; Vanderlei Salvador Bagnato
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Paper Abstract

Nonlinear dynamics of a trapped Bose-Einstein condensate, subject to the action of a resonant external field, is studied. This field produces a spatio-temporal modulation of the trapping potential with the frequency close to the transition frequency between the ground state and a higher energy level. The evolution equations of fractional populations display a kind of critical phenomena at a critical line on the manifold of the system parameters. It is demonstrated that there exists a direct analogy between dynamical instability at this line and critical phenomena at a critical line of a related averaged system.

Paper Details

Date Published: 9 May 2001
PDF: 6 pages
Proc. SPIE 4243, Saratov Fall Meeting 2000: Laser Physics and Photonics; and Spectroscopy and Molecular Modeling, (9 May 2001); doi: 10.1117/12.426688
Show Author Affiliations
V. I. Yukalov, Joint Institute for Nuclear Research (Russia)
E. P. Yukalova, Joint Institute for Nuclear Research (Russia)
Vanderlei Salvador Bagnato, Univ. de Sao Paulo (Brazil)


Published in SPIE Proceedings Vol. 4243:
Saratov Fall Meeting 2000: Laser Physics and Photonics; and Spectroscopy and Molecular Modeling
Vladimir L. Derbov; Leonid A. Melnikov; Lev M. Babkov, Editor(s)

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