3 papers
astro-ph.CO2026
Constraining spinning primordial black holes with interstellar dust heating
Qianyong Li, Yupeng Yang
Primordial black holes (PBHs) are a well-motivated dark matter candidate, and their cosmic abundance is constrained by a variety of observational probes. PBHs in the mass range $10…
astro-ph.CO2025
Cosmological abundance of primordial black holes in mixed dark matter scenarios incorporating Kaluza-Klein dark matter
Yupeng Yang, Qianyong Li, Jiali Hao +1
The lightest Kaluza-Klein (KK) dark matter particles and primordial black holes (PBHs) emerge as plausible candidates for dark matter. In scenarios where dark matter is a mix of KK…
astro-ph.CO2024
Muon neutrinos and the cosmological abundance of primordial black holes
Jiali Hao, Yupeng Yang, Qianyong Li +2
In the mixed dark matter scenarios consisting of primordial black holes (PBHs) and particle dark matter (DM), PBHs can accrete surrounding DM particles to form ultracompact minihal…