A diagrammatic approach to the spectrum of cosmological perturbations

被引：0
|
作者：
De Risi, G
Gasperini, M
机构：
[1] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy
[2] Ist Nazl Fis Nucl, Sez Bari, Bari, Italy
来源：
PHYSICS LETTERS B | 2001年 / 503卷 / 1-2期
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the spectral distribution of the quantum fluctuations of the vacuum, amplified by inflation, after an arbitrary number of background transitions. Using a graphic representation of the process we find that the final spectrum can be completely determined trough a synthetic set of working rules, and a list of simple algebraic computations. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：140 / 146
页数：7
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