Kinetics of Strongly Non-Equilibrium Bose-Einstein Condensation

Details Kinetics of Strongly Non-Equilibrium Bose-Einstein Condensation Kinetics of Strongly Non-Equilibrium Bose-Einstein Condensation

2000-09-23

arxiv.org/abs/cond-mat/0009368v1

Physics

Condensed Matter

5 pages, revtex, no figures. Talk at the conference on Quantized Vortex Dynamics and Superfluid Turbulence, Cambridge, August,

Scientific paper

We consider the ordering kinetics in a strongly non-equilibrium state of a (weakly) interacting Bose gas, characterized, on one hand, by large occupation numbers, and, on the other hand, by the absence of long-range order. Up to higher-order corrections in inverse occupation numbers, the evolution is described by non-linear Schrodinger equation with a turbulent initial state. The ordering process is rather rich and involves a number of qualitatively different regimes that take place in different regions of energy space. Specially addressed is the case of evolution in an external potential.

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