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Evolution of dark-matter haloes in a variety of dark-energy cosmologies
- Source :
-
New Astronomy Reviews . May2005, Vol. 49 Issue 2-6, p199-203. 5p. - Publication Year :
- 2005
-
Abstract
- Abstract: High resolution, numerical simulations of 17 cluster-sized dark-matter haloes in eight different cosmologies with and without dynamical dark-energy confirm the picture that core halo densities are imprinted early during their formation by the mean cosmological density. Quite independent of cosmology, halo concentrations have a log-normal distribution with a scatter of ∼0.2 about the mean. We propose a simple scaling relation for halo concentrations in dark-energy cosmologies. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 13876473
- Volume :
- 49
- Issue :
- 2-6
- Database :
- Academic Search Index
- Journal :
- New Astronomy Reviews
- Publication Type :
- Academic Journal
- Accession number :
- 17791043
- Full Text :
- https://doi.org/10.1016/j.newar.2005.01.014