The spherical collapse model in a universe with cosmological constant

Details The spherical collapse model in a universe with cosmological constant The spherical collapse model in a universe with cosmological constant

2000-11-15

arxiv.org/abs/astro-ph/0011295v1

in Spooner N. J. C., Kudryavtsev V., eds, Proc. 3rd International Workshop, The Identification of Dark Matter. World Scientifi

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, contribution to the proceedings of the 3rd International Workshop on the Identification of Dark Matter (ID

Scientific paper

We generalize the spherical collapse model for the formation of dark matter
halos to apply in a universe with arbitrary positive cosmological constant. We
calculate the critical condition for collapse of an overdense region and give
exact values of the characteristic densities and redshifts of its evolution.

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