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Current issue   Ukr. J. Phys. 2015, Vol. 60, N 7, p.664-674
https://doi.org/10.15407/ujpe60.07.0664   Paper

Kuzmichev V.E., Kuzmichev V.V.

Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine
(14b, Metrolohichna Str., Kyiv 03680, Ukraine; e-mail: vkuzmichev@bitp.kiev.ua)

The Expanding Universe: Change of Regime

Section: Astrophysics and Cosmology
Language: English

Abstract: The aim of the paper is to explain, on the basis of the strict equations of quantum geometrodynamics for a cosmological model with the Robertson–Walker metric, the possible change of a regime of the expansion of the universe, from acceleration to deceleration or vice versa. We show that the change of the rate of expansion can point to the existence of a particular type of forces acting in the universe. It is indicated that these forces have the quantum nature. The cause of the expansion and a change of its regimes is a special form of the effective potential well, in which the universe is moving as a whole.

Key words: dark energy, dark matter, quantum geometrodynamics, cosmology.


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