Journal
PHYSICAL REVIEW D
Volume 100, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.103003
Keywords
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Funding
- Early Career Scheme (ECS) from the Research Grants Council of Hong Kong [26300316]
- General Research Fund (GRF) from the Research Grants Council of Hong Kong [16301917, 16304418]
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We show that the effect of initial non-Gaussian clustering can significantly enhance the event rate for primordial black hole (PBH) coalescence. The impact of such clustering is studied in a specific scenario of multistream inflation. Initial clustering enables the possibility of detecting massive PBH coalescence by space-based gravitational-wave interferometers such as LISA and DECIGO/BBO. The parameter regime for the ground-based detectors to detect PBH coalescence is also extended.
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