GRAVITATIONAL-RADIATION FROM COLLAPSING COSMIC STRING LOOPS

被引：30
|
作者：
HAWKING, SW
机构：
[1] Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, CB3 9EW, Silver Street
来源：
PHYSICS LETTERS B | 1990年 / 246卷 / 1-2期
关键词：
D O I：
10.1016/0370-2693(90)91304-T
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is shown that a circular loop of cosmic string collapsing at nearly the speed of light to form a black hole cannot emit more than 29% of its energy in the form of gravitational radiation. It follows from this and the upper limit on the cosmic gamma ray background, that not more than 10-12 of cosmic string loops in the early universe can have collapsed to form black holes. © 1990.
引用
收藏
页码：36 / 38
页数：3
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