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gr-qc2025
Cascade Relaxation of the Gravitating Vacuum as a Generator of the Evolving Universe
V. N. Lukash, E. V. Mikheeva
The cascade relaxation of a polarized vacuum in the expanding Universe is a chain of evolutionary epochs of decreasing its density with the exit of dominant fields (each in its own…
gr-qc2025
Origin of cosmological density perturbations from quantum fluctuations of vacuum in General Relativity
Vladimir N. Lukash, Elena V. Mikheeva
After 45 years since the discovery of quantum-gravitational birth of the cosmological density perturbations we can try to answer the main question of cosmology what is the origin o…
gr-qc2024
Image of a black hole illuminated by a parabolic screen
Elena V. Mikheeva, Serge Repin, Vladimir N. Lukash
An analytical model of a parabolic screen illuminating a black hole is proposed. This allows to avoid naturally the appearance of edge effects associated with photons moving along…