Lei Feng

collaborators

2 papers

astro-ph.HE2025

Exploring sub-GeV Dark Matter Physics with Cosmic Ray and Future Telescopes

Guansen Wang, Bing-Yu Su, Lei Zu +1

If sub-GeV Dark matter(DM) annihilates to the charged particles such as $e^{+} e^{-}$ , $I^¼^{+} I^¼^{-}$ , or $I ¨ ^{+} I ¨ ^{-}$ , it generates an additional source of electrons and positrons in the…

astro-ph.CO2025

Primordial black holes from the ultraslow-roll phase in the inflaton--curvaton mixed field inflation

Bing-Yu Su, Nan Li, Lei Feng

Primordial black holes (PBHs) are a promising candidate for dark matter, as they can form in the very early universe without invoking new particle physics. This work explores PBH f…