Gravitational waves from cosmological phase transitions

被引：15
|
作者：
Durrer, Ruth [1 ]
机构：
[1] Univ Geneva, Dept Phys Theor, CH-1211 Geneva 4, Switzerland
来源：
FIRST MEDITERRANEAN CONFERENCE ON CLASSICAL AND QUANTUM GRAVITY (MCCQG 2009) | 2010年 / 222卷
关键词：
RADIATION;
D O I：
10.1088/1742-6596/222/1/012021
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this talk I discuss the generation of a stochastic background of gravitational waves during a first order phase transition. I present simple general arguments which explain the main features of the gravitational wave spectrum like the k(3) power law growth on large scales and a estimate for the peak amplitude. In the second part I concentrate on the electroweak phase transition and argue that the nucleosynthesis bound on its gravitational wave background seriously limits seed magnetic fields which may have been generated during this transition.
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页数：14
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