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Observational Manifestations of Primordial Objects in the Early Universe Through the Hydrogen Subordinate Lines
Viktor K. Dubrovich, Yury N. Eroshenko, Stanislav I. Shirokov
A new mechanism for the formation of spectral--spatial distortions in cosmic microwave background radiation near primordial massive compact objects (such as primordial black holes)…
Gravitational waves from the merger of two primordial black hole clusters
Yury Eroshenko, Viktor Stasenko
The orbital evolution of a binary system consisting of two primordial black hole clusters is investigated. Such clusters are predicted in some theoretical models with broken symmet…
Spin of primordial black holes in the model with collapsing domain walls
Yury N. Eroshenko
The angular momentum (spin) acquisition by a collapsing domain wall at the cosmological radiation-dominated stage is investigated. During the collapses, primordial black holes and…
Mergers of primordial black holes in extreme clusters and the tension
Yury Eroshenko
We consider a cosmological model with dark matter in the form of primordial black holes in dense weakly relativistic clusters with masses . It…
Production and evaporation of micro black holes as a link between mirror universes
V. K. Dubrovich, Yu. N. Eroshenko, M. Yu. Khlopov
It is shown that the equalization of temperatures between our and mirror sectors occurs during one Hubble time due to microscopic black hole production and evaporation in particle…
Observational manifestations of "cosmological dinosaurs'' at redshifts
V. K. Dubrovich, Yu. N. Eroshenko, S. I. Grachev
We consider a primordial black hole of very high mass, , surrounded by dark matter and barionic halo at redshifts without any local sources of energy…