Dispersion of density waves in the radiation-dominated universe with positive cosmological constant

被引:2
作者
Golda, ZA [1 ]
Woszczyna, A [1 ]
机构
[1] Jagiellonian Univ, Astron Observ, PL-30244 Krakow, Poland
关键词
D O I
10.1088/0264-9381/20/2/302
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Density perturbations in the flat (K= 0) Robertson-Walker universe with radiation (p = epsilon/3) and positive cosmological constant (Lambda > 0) are investigated. The phenomenon of dispersion of acoustic waves on Lambda is discussed.
引用
收藏
页码:277 / 283
页数:7
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