Density fluctuations in the universe after the recombination period

Details Density fluctuations in the universe after the recombination period Density fluctuations in the universe after the recombination period

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.161..175l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 161, no. 1, Nov. 1989, p. 175-180.

Statistics

Computation

2

Cosmic Gases, Cosmology, Density Distribution, Interstellar Matter, Universe, Computational Astrophysics, Relativistic Effects, Temperature Distribution

Scientific paper

It is shown that the cosmic matter gas after the recombination period
can be regarded in a very good approximation as a general relativistic
Boltzmann gas in the very vicinity of equilibrium. As a consequence,
spatial temperature fluctuations (Delta T/T) of about 0.00001 imply
immense density fluctuations up to (Delta rho/rho) of about 100,000.

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