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astro-ph.CO2020★ 18 cited
Impacts of Hawking Radiation from Primordial Black Holes in Critical Collapse Model on the Light Element Abundances
Yudong Luo, Chao Chen, Motohiko Kusakabe +1
We study the photodisintegration process triggered by the nonthermal electromagnetic Hawking radiation from primordial black holes (PBHs) in critical collapse model. We consider th…
astro-ph.CO2020★ 60 cited
Dirac-Born-Infeld realization of sound speed resonance mechanism for primordial black holes
Chao Chen, Xiao-Han Ma, Yi-Fu Cai
We present a concrete realization of the sound speed resonance (SSR) mechanism for primordial black hole (PBH) formation within a specific model of Dirac-Born-Infeld (DBI) inflatio…