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
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
相关论文
共 50 条
  • [41] ABSENCE OF GRAVITATIONAL-RADIATION IN COLLISION OF 2 STRAIGHT COSMIC STRINGS
    ALIEV, AN
    GALTSOV, DV
    INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 1990, 5 (01): : 203 - 210
  • [42] GRAVITATIONAL-RADIATION FROM AN ORBITING PULSAR
    WEISBERG, JM
    TAYLOR, JH
    GENERAL RELATIVITY AND GRAVITATION, 1981, 13 (01) : 1 - 6
  • [43] GRAVITATIONAL-RADIATION FROM NON-GRAVITATIONAL SYSTEMS
    NIKISHOV, AI
    RITUS, VI
    ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI, 1990, 98 (04): : 1151 - 1168
  • [44] GRAVITATIONAL-RADIATION FROM ELECTROMAGNETIC SYSTEMS
    NIKISHOV, AI
    RITUS, VI
    ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI, 1989, 96 (05): : 1547 - 1562
  • [45] Reionization from cosmic string loops
    Olum, Ken D.
    Vilenkin, Alexander
    PHYSICAL REVIEW D, 2006, 74 (06):
  • [46] Magnetogenesis from cosmic string loops
    Battefeld, Diana
    Battefeld, Thorsten
    Wesley, Daniel H.
    Wyman, Mark
    JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2008, (02):
  • [47] Decay of Cosmic String Loops due to Particle Radiation
    Matsunami, Daiju
    Pogosian, Levon
    Saurabh, Ayush
    Vachaspati, Tanmay
    PHYSICAL REVIEW LETTERS, 2019, 122 (20)
  • [48] THE THERMODYNAMICS OF GRAVITATIONAL-RADIATION
    SMOLIN, L
    GENERAL RELATIVITY AND GRAVITATION, 1984, 16 (03) : 205 - 210
  • [49] ON THE GRAVITATIONAL-RADIATION FORMULA
    SCHAFER, G
    DEHNEN, H
    JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1980, 13 (08): : 2703 - 2722
  • [50] A NOTE ON GRAVITATIONAL-RADIATION
    WALLACE, G
    CANADIAN JOURNAL OF PHYSICS, 1989, 67 (05) : 476 - 478