Analytical approach to relaxation dynamics of condensed Bose gases
Miguel Escobedo, Federica Pezzotti, and Manuel Valle
TL;DR
This paper develops an analytical method to study how perturbations in a condensed Bose gas relax over time, focusing on low momentum and different temperature regimes, providing explicit long-time behavior results.
Contribution
It introduces an analytical approach to the relaxation dynamics of condensed Bose gases, specifically addressing low momentum perturbations and their evolution at various temperatures.
Findings
Explicit large-time behavior in different temperature regimes
Analytical solutions in the low momentum limit
Insights into collision dynamics between condensate and noncondensate atoms
Abstract
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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