Linear Gas Dynamics in the Expanding Universe: Why the Jeans Scale does not Matter

Details Linear Gas Dynamics in the Expanding Universe: Why the Jeans Scale does not Matter Linear Gas Dynamics in the Expanding Universe: Why the Jeans Scale does not Matter

2002-06-24

arxiv.org/abs/astro-ph/0206421v1

Astrophys.J. 583 (2003) 525-528

Astronomy and Astrophysics

Astrophysics

submitted to ApJ

Scientific paper

10.1086/345424

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.

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