Dynamical system analysis for inflation with dissipation

被引：67
|
作者：
de Oliveira, HP [1 ]
Ramos, RO [1 ]
机构：
[1] Univ Estado Rio de Janeiro, Inst Fis, Dept Fis Teor, BR-20550013 Rio De Janeiro, Brazil
来源：
PHYSICAL REVIEW D | 1998年 / 57卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.57.741
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We examine the solutions of the equations of motion for an expanding Universe, taking into account the radiation of the inflaton field energy: We then analyze the question of the generality of inflationary solutions in this more general setting of a dissipative system. We find a surprisingly rich behavior for the solutions of the dynamical system of equations in the presence of dissipational effects. We also determine that a value of dissipation as small as similar to 10(-7) H can lead to a smooth exit from inflation to radiation.
引用
收藏
页码：741 / 749
页数：9
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