Microwave Background Anisotropy and Large Scale Structure in Warm Dark Matter Models

Details Microwave Background Anisotropy and Large Scale Structure in Warm Dark Matter Models Microwave Background Anisotropy and Large Scale Structure in Warm Dark Matter Models

1997-11-25

arxiv.org/abs/astro-ph/9711304v1

Astronomy and Astrophysics

Astrophysics

22 pages, 12 figures, 4 tables

Scientific paper

Large scale structure and microwave background anisotropies are studied for warm dark matter models. Two warm dark matter candidates are considered: gravitinos and sterile neutrinos. Linear large scale structure properties such as $\sigma_{8}$ and the excess power are calculated, as well as microwave background anisotropies. A rather robust feature of warm dark matter models is that the large scale structure properties are similar to those of mixed dark matter, but that the microwave background anisotropy is very similar to that of standard cold dark matter.

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