Stochastic Gravitational-Wave Background due to Primordial Binary Black Hole Mergers

被引：116

作者：

Mandic, Vuk ^{[1
]}

Bird, Simeon ^{[2
]}

Cholis, Ilias ^{[2
]}

机构：

[1] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[2] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 20期

基金：

美国国家科学基金会;

关键词：

DARK-MATTER; DYNAMICAL EVOLUTION; NEUTRON-STAR; MACHO ERA; HALO; MASS; CLUSTERS; LIMITS; COLD; END;

D O I：

10.1103/PhysRevLett.117.201102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent Advanced LIGO detections of binary black hole mergers have prompted multiple studies investigating the possibility that the heavy GW150914 binary system was of primordial origin, and hence could be evidence for dark matter in the form of black holes. We compute the stochastic background arising from the incoherent superposition of such primordial binary black hole systems in the Universe and compare it to the similar background spectrum due to binary black hole systems of stellar origin. We investigate the possibility of detecting this background with future gravitational-wave detectors, and conclude that constraining the dark matter component in the form of black holes using stochastic gravitational-wave background measurements will be very challenging.

引用

页数：6

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