Relativistic hydrodynamics of cosmological sheets

被引：2
|
作者：
Anninos, P [1 ]
McKinney, J
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[2] Univ Illinois, Dept Phys, Champaign, IL 61801 USA
来源：
PHYSICAL REVIEW D | 1999年 / 60卷 / 06期
关键词：
D O I：
10.1103/PhysRevD.60.064011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have extended previous numerical calculations of Newtonian cosmological sheets to include self-consistent interactions with the background metric by solving the complete Einstein field equations together with the relativistic perfect fluid hydrodynamics equations. The initial data are parametrized and constructed using the gauge invariant perturbation formalism to specify the free conformal variables for the constraints. Numerical evolutions of initially horizon scale fluctuations are compared with results from perturbation theory and the Zel'dovich solution for a range of gravitational field strengths, and we discuss the nonlinear hydrodynamic, optical, and geometric characteristics of the sheet structures. [S0556-2821(99)00218-0].
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页数：11
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