Evolution of a Bose gas in anisotropic time-dependent traps

We find scaling solutions for the evolution of a Bose gas in time-dependent anisotropic traps and reveal the phenomenon of stochastization in the evolution of a condensate. In contrast to collisionless gases, the evolution of the thermal gas in the hydrodynamic regime proves to be in many aspects similar to that of the condensate. We emphasize that clear signatures of Bose-Einstein condensation and the effects of the loss of coherence can be found in local correlation properties of the evolving gas through the measurement of the rates of intrinsic or light-induced inelastic collisional processes.