Gravitational Structure Formation, the Cosmological Problem and Statistical Physics

Details Gravitational Structure Formation, the Cosmological Problem and Statistical Physics Gravitational Structure Formation, the Cosmological Problem and Statistical Physics

2005-10-12

arxiv.org/abs/cond-mat/0510320v1

European Physical Journal B, 50, 285-289 (2006)

Physics

Condensed Matter

Statistical Mechanics

5 pages 1 postscript figure. Proceeding of the conference Proceedings of the 3rd International Conference NEXT-SigmaPhi

Scientific paper

10.1140/epjb/e2006-00056-6

Models of structure formation in the universe postulate that matter distributions observed today in galaxy catalogs arise, through a complex non-linear dynamics, by gravitational evolution from a very uniform initial state. Dark matter plays the central role of providing the primordial density seeds which will govern the dynamics of structure formation. We critically examine the role of cosmological dark matter by considering three different and related issues: Basic statistical properties of theoretical initial density fields, several elements of the gravitational many-body dynamics and key correlation features of the observed galaxy distributions are discussed, stressing some useful analogies with known systems in modern statistical physics.

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