SECONDARY IONIZATION IN A FLAT UNIVERSE

被引：8
作者：
ATRIOBARANDELA, F
DOROSHKEVICH, AG
机构：
[1] CTR PARTICLE ASTROPHYS, BERKELEY, CA 94720 USA
[2] KELDYSH APPL MATH INST, MOSCOW 125047, RUSSIA
来源：
ASTROPHYSICAL JOURNAL | 1994年 / 420卷 / 01期
关键词：
COSMIC MICROWAVE BACKGROUND; COSMOLOGY; THEORY; DARK MATTER; RADIATIVE TRANSFER;
D O I：
10.1086/173539
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We analyze the effect of a secondary ionization on the evolution of temperature fluctuations in cosmic background radiation. The main results presented in this paper are appropriate analytic expressions of the transfer function relating temperature fluctuations to matter density perturbations at recombination for all possible recombination histories. Furthermore, we particularize our calculation to the standard cold dark matter model, where we study the erasure of primordial temperature fluctuations and calculate the magnitude and angular scale of the damping induced by a late recombination.
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页码：26 / 32
页数：7
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