Detectability of Primordial Black Hole Binaries at High Redshift
arXiv:2011.13643 · doi:10.1103/PhysRevD.104.043527
Abstract
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 LISA and SKA can constrain the fraction of PBHs in dark matter and PBHs initial distribution.
arXiv comment7 pages, 6 figures
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