Gravitational collapse of a Brownian gas

Details Gravitational collapse of a Brownian gas Gravitational collapse of a Brownian gas

2004-07-15

arxiv.org/abs/cond-mat/0407397v1

Banach Center Publ. 66 (2004) 287

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

We investigate a model describing the dynamics of a gas of self-gravitating Brownian particles. This model can also have applications for the chemotaxis of bacterial populations. We focus here on the collapse phase obtained at sufficiently low temperature/energy and on the post-collapse regime following the singular time where the central density diverges. Several analytical results are illustrated by numerical simulations.

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