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gr-qc2024
Spin of Primordial Black Holes from Broad Power Spectrum: Radiation Dominated Universe
Indra Kumar Banerjee, Tomohiro Harada
We perform a study to obtain the initial spin or the nondimensional Kerr parameter of primordial black holes (PBHs) created during the radiation dominated phase of the univ…
gr-qc2023★ 12 cited
Spinning Primordial Black Holes from First Order Phase Transition
Indra Kumar Banerjee, Ujjal Kumar Dey
We conduct a novel study to obtain the initial spin of the primordial black holes created during a first-order phase transition due to delayed false vacuum decay. Remaining within…
gr-qc2023★ 5 cited
Gravitational Wave Probe of Primordial Black Hole Origin via Superradiance
Indra Kumar Banerjee, Ujjal Kumar Dey
In this article we have used stochastic gravitational wave background as a unique probe to gain insight regarding the creation mechanism of primordial black holes. We have consider…