2 papers
astro-ph.CO2025
Excess of substructure due to primordial black holes
Patricio Colazo, Nelson Padilla, Federico Stasyszyn
This paper explores the impact of primordial black holes (PBHs) on the abundance of low-mass haloes and subhaloes in the dark and low-stellar-mass regime, and examines how these ef…
astro-ph.CO2025
Primordial black holes as dark matter candidates: Multi-frequency constraints from cosmic radiation backgrounds
C. Casanueva-Villarreal, N. Padilla, P. B. Tissera +2
Aims. This study investigates the role of primordial black holes (PBHs) in shaping cosmic radiation backgrounds--the cosmic X-ray background (CXB), the Lyman-Werner background (LWB…