Condensate growth in trapped Bose gases

Details Condensate growth in trapped Bose gases Condensate growth in trapped Bose gases

2000-01-21

arxiv.org/abs/cond-mat/0001323v2

Physics

Condensed Matter

Statistical Mechanics

28 pages, 11 figures. Changes made to the introduction, Sec. VI, Sec. VII, and included additional growth curves in Fig. 10

Scientific paper

10.1103/PhysRevA.62.063609

We study the dynamics of condensate formation in an inhomogeneous trapped Bose gas with a positive interatomic scattering length. We take into account both the nonequilibrium kinetics of the thermal cloud and the Hartree-Fock mean-field effects in the condensed and the noncondensed parts of the gas. Our growth equations are solved numerically by assuming that the thermal component behaves ergodically and that the condensate, treated within the Thomas-Fermi approximation, grows adiabatically. Our simulations are in good qualitative agreement with experiment, however important discrepancies concerning details of the growth behaviour remain.

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