Gauge-invariant Boltzmann equation and the fluid limit

被引:35
作者
Pitrou, Cyril [1 ]
机构
[1] Univ Paris 06, CNRS, UMR 7095, Inst Astrophys Paris, F-75014 Paris, France
关键词
D O I
10.1088/0264-9381/24/24/001
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
This paper investigates the collisionless Boltzmann equation up to second order in the cosmological perturbations. It describes the gauge dependence of the distribution function and the construction of a gauge- invariant distribution function and brightness, and then derives the gauge-invariant fluid limit.
引用
收藏
页码:6127 / 6158
页数:32
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