3 papers
astro-ph.CO2025
Absorption in the 21 cm Hydrogen Line at as a Sensitive Tool for the Construction of a Cosmological Model on Small Scales
Yu. N. Eroshenko, V. N. Lukash, E. V. Mikheeva +2
The cosmic microwave background absorption intensity in the 21 cm line of neutral hydrogen in the presence of additional power in the form of a "bump" in the spectrum of cosmologic…
astro-ph.CO2024
Mergers of Binary Primordial Black Holes in Evolving Dark Matter Halos
V. D. Stasenko, Yu. N. Eroshenko
The influence of a dark matter halo around pair of primordial black holes on their orbit evolution and the black hole merger rate is considered. Because of the nonspherical (nonrad…
astro-ph.CO2024
Evolution of the DM distribution function in the density spikes around PBHs
Yury N. Eroshenko
At the cosmological stage of radiation dominance, dark matter density spikes should form around primordial black holes. In the case when dark matter particles are able to annihilat…