MG11 
Talk detail
 

 Participant 

Institution

Session

Talk

Abstract

Approximate dynamics of dark matter ellipsoids

The collapse of a non-collisional dark matter and the formation of pancake structures in the universe are investigated approximately. Collapse is described by a system of ordinary differential equations, in the model of a uniformly rotating, three-axis, uniform density ellipsoid. Violent relaxation, mass, and angular momentum losses are taken into account phenomenologically. The formation of the equilibrium configuration, secular instability and the transition from a spheroid to a three-axis ellipsoid are investigated numerically and analytically in this dynamical model.

TBD