3 papers
gr-qc2025
Vacuum Polarization Effects During the Reheating Epoch
A. B. Arbuzov, A. A. Nikitenko
Quantum effects in the era of reheating of the universe after inflation are considered. A semiclassical approach to gravity theory is applied within Starobinsky's inflationary mode…
hep-ph2024
Cosmic rays from annihilation of heavy dark matter particles
E. V. Arbuzova, A. D. Dolgov, A. A. Nikitenko
The origin of the ultra high energy cosmic rays via annihilation of heavy stable, fermions "f", of the cosmological dark matter (DM) is studied. The particles in question are suppo…
gr-qc2024
On the choice of variable for quantization of conformal GR
A. B. Arbuzov, A. A. Nikitenko
The possibility of using spin connection components as basic quantization variables of a conformal version of General Relativity is studied. The considered model contains gravitati…