Nonlinear evolution of dark matter and dark energy in the Chaplygin-gas cosmology

被引：46

作者：

Bilic, N

Lindebaum, RJ

Tupper, GB

Viollier, RD

机构：

[1] Rudjer Boskovic Inst, Zagreb 10002, Croatia

[2] Univ KwaZulu Natal, Sch Chem & Phys Sci, ZA-3209 Scottsville, South Africa

[3] Univ Cape Town, Dept Phys, Inst Theoret Phys & Astrophys, ZA-7701 Rondebosch, South Africa

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2004年 / 11期

关键词：

dark matter; dark energy theory; cosmology of theories beyond the SM;

D O I：

10.1088/1475-7516/2004/11/008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The hypothesis that dark matter and dark energy are unified through the Chaplygin gas, an exotic fluid obeying p = -A/rho, is re-examined. Using generalizations of the spherical model which incorporate effects of the acoustic horizon we show that an initially perturbative Chaplygin gas evolves into a mixed system containing cold dark matter-like gravitational condensate.

引用

页码：121 / 131

页数：11

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