TOPOLOGICAL DEFECTS IN EXTENDED INFLATION

被引:12
作者
COPELAND, EJ
KOLB, EW
LIDDLE, AR
机构
[1] NASA,FERMILAB ASTROPHYS CTR,FERMI NAT ACCELERATOR LAB,BATAVIA,IL 60510
[2] UNIV CHICAGO,ENRICO FERMI INST,DEPT ASTRON & ASTROPHYS,CHICAGO,IL 60637
来源
PHYSICAL REVIEW D | 1990年 / 42卷 / 08期
关键词
D O I
10.1103/PhysRevD.42.2911
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We consider the production of topological defects, especially cosmic strings, in extended-inflation models. In extended inflation, the Universe passes through a first-order phase transition via bubble percolation, which naturally allows defects to form at the end of inflation. The correlation length, which determines the number density of the defects, is related to the mean size of the bubbles when they collide. This mechanism allows a natural combination of inflation and large-scale structure via cosmic strings. © 1990 The American Physical Society.
引用
收藏
页码:2911 / 2914
页数:4
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