Detectability of primordial black hole binaries at high redshift

被引：10

作者：

Ding, Qianhang ^{[1
,2
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Jockey Club Inst Adv Study, Hong Kong, Peoples R China

来源：

PHYSICAL REVIEW D | 2021年 / 104卷 / 04期

关键词：

GRAVITATIONAL-RADIATION; MAXIMUM MASS; DARK-MATTER; OBJECTS; LIMITS;

D O I：

10.1103/PhysRevD.104.043527

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that the gravitational wave signals from primordial black hole (PBH) binaries at high redshift can be detected. The detectability of PBH binaries is enhanced by redshift bias and more PBH binaries at high redshift. The initial clustering of PBHs is also included and enhances the effectively detectable mass ranges of PBHs at high redshift. Future observations on the gravitational wave at high redshift by space-based detectors such as the Laser Interferometer Space Antenna (LISA) and Square Kilometre Array (SKA) can constrain the fraction of PBHs in dark matter and PBHs initial distribution.

引用

页数：8

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