Gravitational structure formation, the cosmological problem and statistical physics

L. Pietronero and F. Sylos Labini ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 50, issue 1, 285-289

Abstract: 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. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 98.80.-k Cosmology; 05.70.-a Thermodynamics; 02.50.-r Probability theory; stochastic processes; and statistics; 05.40.-a Fluctuation phenomena; random processes; noise; and Brownian motion (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1140/epjb/e2006-00056-6

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