Structure formation in the Lemaitre-Tolman cosmological model (A non-perturbative approach)

被引：0

作者：

Krasinski, Andrzej ^{[1
]}

Hellaby, Charles ^{[1
]}

机构：

[1] Polish Acad Sci, N Copernicus Astron Ctr, Bartycka 18, PL-00716 Warsaw, Poland

来源：

TOPICS IN MATHEMATICAL PHYSICS, GENERAL RELATIVITY AND COSMOLOGY IN HONOR OF JERZY PLEBANSKI | 2006年

关键词：

D O I：

10.1142/9789812772732_0023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Structure formation is described by a Lema (i) over cap tre-Tolman model such that the initial density perturbation within a homogeneous background has a smaller mass than the structure into which it will develop, and accretes more mass during evolution. It is proved that any two spherically symmetric density profiles specified on any two constant time slices can be joined by a Lema (i) over cap tre-Tolman evolution, and exact implicit formulae for the arbitrary functions that determine the resulting L-T model are obtained. Examples of the process are investigated numerically.

引用

页码：279 / +

页数：2

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