The correlation function for density perturbations in an expanding universe. I. Linear theory.
The correlation function for density perturbations in an expanding universe. I. Linear theory.
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膨胀宇宙中密度扰动的相关函数。
DOI：
10.1086/155583
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发表时间：
1977
期刊：
影响因子：
--
通讯作者：
J. Silk
中科院分区：
文献类型：
--
作者：
J. Mcclelland;J. Silk
我们发展了一种形式来求出任意放置在三维空间中的扰动的大小和形状的给定分布的两点和高阶关联函数。扰动由中心密度和大小两个参数描述，两点关联函数与星系团和星系团的光度函数明确相关。
We develop a formalism to find the two-point and higher-order correlation functions for a given distribution of sizes and shapes of perturbations which are randomly placed in three-dimensional space. The perturbations are described by two parameters such as central density and size, and the two-point correlation function is explicitly related to the luminosity function of groups and clusters of galaxies.