The formation of pregalactic objects from white-noise density perturbations

Details The formation of pregalactic objects from white-noise density perturbations The formation of pregalactic objects from white-noise density perturbations

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361..338s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 361, Oct. 1, 1990, p. 338-342. Research supported by NATO, Ohio State Unive

Astronomy and Astrophysics

Astrophysics

4

Baryons, Dark Matter, Elementary Particles, Perturbation Theory, Space Density, White Noise, Entropy, Noise Spectra

Scientific paper

This paper examines the general case of baryonic collapse in a universe with white-noise dark-matter perturbations. It is shown that, for general white-noise density perturbations with Omega = 1 and Omega(b) h sq = 0.02, baryonic collapse from molecular cooling requires a minimum fluctuation mass of M(0) = 0.12 h exp -4.4 solar mass. Below this mass, the formation of compact objects by baryonic collapse is impossible.

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