Linear Gas Dynamics in the Expanding Universe: Why the Jeans Scale does not Matter
Astrophysics
2009-11-07 v1
Abstract
We investigate the relationship between the dark matter and baryons in the linear regime. This relation is quantified by the so-called ``filtering scale''. We show that a simple gaussian ansatz which uses the filtering scale provides a good approximation to the exact solution.
Cite
@article{arxiv.astro-ph/0206421,
title = {Linear Gas Dynamics in the Expanding Universe: Why the Jeans Scale does not Matter},
author = {Nickolay Y. Gnedin and Emily J. Baker and Thomas J. Bethell and Meredith M. Drosback and A. Gayler Harford and Amalia K. Hicks and Adam G. Jensen and Brian A. Keeney and Christopher M. Kelso and Mark C. Neyrinck and Scott E. Pollack and Timothy P. van Vliet},
journal= {arXiv preprint arXiv:astro-ph/0206421},
year = {2009}
}
Comments
submitted to ApJ