Analytical approach to relaxation dynamics of condensed Bose gases

Details Analytical approach to relaxation dynamics of condensed Bose gases Analytical approach to relaxation dynamics of condensed Bose gases

2010-08-04

arxiv.org/abs/1008.0714v2

Annals of Physics 326 (2011), pp. 808-827

Physics

Condensed Matter

Quantum Gases

25 pages, 3 figures. Typos corrected. Final version to appear in Annals of Physics

Scientific paper

10.1016/j.aop.2010.11.001

The temporal evolution of a perturbation of the equilibrium distribution of a condensed Bose gas is investigated using the kinetic equation which describes collision between condensate and noncondensate atoms. The dynamics is studied in the low momentum limit where an analytical treatment is feasible. Explicit results are given for the behavior at large times in different temperature regimes.

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