Statistics of peaks in cosmological nonlinear density fields

Details Statistics of peaks in cosmological nonlinear density fields Statistics of peaks in cosmological nonlinear density fields

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371..470s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 371, April 20, 1991, p. 470-477.

Astronomy and Astrophysics

Astrophysics

27

Cosmology, Galactic Clusters, Galactic Evolution, Space Density, Algorithms, Density Distribution, Normal Density Functions

Scientific paper

Distribution of the high-density peaks in the universe is examined using N-body simulations. Nonlinear evolution of the underlying density field significantly changes the statistical properties of the peaks, compared with the analytic results valid for the random Gaussian field. In particular, the abundances and correlations of the initial density peaks are discussed in the context of biased galaxy formation theory.

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