Published in

The Eleventh Marcel Grossmann Meeting

DOI: 10.1142/9789812834300_0402

Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 3(364), p. 833-842

DOI: 10.1111/j.1365-2966.2005.09614.x

Links

Tools

Export citation

Search in Google Scholar

Approximate dynamics of dark matter ellipsoids

Journal article published in 2005 by Gennady S. Bisnovatyi-Kogan, Oleg Y.-U. Tsupko ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

Full text: Download

Green circle
Preprint: archiving allowed
Upload
Green circle
Postprint: archiving allowed
Upload
Red circle
Published version: archiving forbidden
Policy details
Data provided by SHERPA/RoMEO

Abstract

The collapse of 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. ; Comment: 11 pages, 8 figures