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astro-ph.CO2022
Primordial Black Hole Mass Function with Mass Gap
Xiao-Ming Bi, Lu Chen, Ke Wang
Primordial black holes (PBHs) are mainly characterized by their mass function, in which there may be some huge suppression for certain mass spans. If this is the case, the absence…
astro-ph.CO2022
Consistency test of the fine-structure constant from the whole ionization history
Ke Wang, Lu Chen
In cosmology, the fine-structure constant can affect the whole ionization history. However, the previous works confine themselves to the recombination epoch and give various strong…