The Core-Cusp Problem

Details The Core-Cusp Problem The Core-Cusp Problem

2009-10-19

arxiv.org/abs/0910.3538v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Accepted for "Dwarf Galaxy Cosmology" special issue of Advances in Astrophysics

Scientific paper

This paper gives an overview of the attempts to determine the distribution of dark matter in low surface brightness disk and gas-rich dwarf galaxies, both through observations and computer simulations. Observations seem to indicate an approximately constant dark matter density in the inner parts of galaxies, while cosmological computer simulations indicate a steep power-law-like behaviour. This difference has become known as the "core/cusp problem", and remains one of the unsolved problems in small-scale cosmology.

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