Linear gas dynamics in the expanding universe

被引：20

作者：

Gnedin, NY ^{[1
]}

Baker, EJ ^{[1
]}

Bethell, TJ ^{[1
]}

Drosback, MM ^{[1
]}

Harford, AG ^{[1
]}

Hicks, AK ^{[1
]}

Jensen, AG ^{[1
]}

Keeney, BA ^{[1
]}

Kelso, CM ^{[1
]}

Neyrinck, MC ^{[1
]}

Pollack, SE ^{[1
]}

van Vliet, TP ^{[1
]}

机构：

[1] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

来源：

ASTROPHYSICAL JOURNAL | 2003年 / 583卷 / 02期

关键词：

cosmic microwave background; cosmology : theory; galaxies : formation; intergalactic medium; large-scale structure of universe;

D O I：

10.1086/345424

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 that uses the filtering scale provides a good approximation to the exact solution.

引用

页码：525 / 528

页数：4

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