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The formation of the spectrum of preglactic inhomogeneities in the CDM and HDM of the Universe
Author(s) -
Kahniashvili T. A.
Publication year - 1990
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.2113110314
Subject(s) - physics , universe , scale factor (cosmology) , cosmology , metric expansion of space , astrophysics , structure formation , age of the universe , scale (ratio) , de sitter universe , number density , theoretical physics , quantum mechanics , dark energy , galaxy
We consider the evolution of large‐scale cosmological density perturbations in CDM and HDM Universe containing weakly interacting relativistic particles with number density to be the model free paramer. The dependence of parameters of the large‐scale structure on the collisionless particle numbers is discussed. A new cosmological test of the total number of light weakly interacting particles in the Universe is proposed.