17 citations · 24 across the 5 of their papers we have counts for
5 papers
Primordial Black Hole Hotspots Beyond Flat Spacetime
Doojin Kim, TaeHun Kim, Jong-Chul Park +1
Light primordial black holes heat the surrounding plasma via Hawking radiation, forming localized hotspots whose temperature may far exceed that of the cosmological background. Pre…
Unified Gas Heating Constraints on Extended Dark Matter Compact Objects
TaeHun Kim, Philip Lu, Volodymyr Takhistov
We present the first unified constraints on a broad class of extended dark matter compact objects (EDCOs) from interstellar gas heating. These include axion stars, Q-balls, axion m…
Primordial Black Hole Reformation in the Early Universe
Taehun Kim, Philip Lu
Primordial black holes (PBH) can arise in a wide range of scenarios, from inflation to first-order phase transitions. Light PBHs, such as those produced during preheating, in bounc…
Q-Balls in the presence of attractive force
Yu Hamada, Kiyoharu Kawana, TaeHun Kim +1
Q-balls are non-topological solitons in field theories whose stability is typically guaranteed by the existence of a global conserved charge. A classic realization is the Friedberg…
Regurgitated Dark Matter
TaeHun Kim, Philip Lu, Danny Marfatia +1
We present a new paradigm for the production of the dark matter (DM) relic abundance based on the evaporation of early Universe primordial black holes (PBHs) themselves formed from…