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Dark energy and dark matter haloes

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 17 Jan 2005Embargo end date: 01 Jan 2004Publisher:Oxford University Press (OUP)Journal:Monthly Notices of the Royal Astronomical Society, volume 357, pages 387-400 (issn: 0035-8711,

Copyright policy )Funded by:NSF | Studying Galaxy Formation..., NSF | First Light In The Univer..., NSF | Center for Cosmological P...

Authors: Andrew R. Zentner; James S. Bullock; Joel R. Primack; Michael Kuhlen; Louis E. Strigari;

doi: 10.1111/j.1365-2966.2005.08663.x , 10.48550/arxiv.astro-ph/0402210 , 10.1111/j.1365-2966.2005.08663.x/abs/

arXiv: http://arxiv.org/abs/astro-ph/0402210

Dark energy and dark matter haloes

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Abstract

We investigate the effect of dark energy on the density profiles of dark matter haloes with a suite of cosmological N-body simulations and use our results to test analytic models. We consider constant equation of state models, and allow both w>-1 and w-1 quintessence models seem to exacerbate the central density problem relative to the standard w=-1 model. Meanwhile w

16 p., 11 fig.; replaced with revised version, accepted for publication in MNRAS; corrected error (w=-1.5 halo mass function now agrees with Jenkins et al. fitting formula), rewrote several sections, added references

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Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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