Is the Cyclic Model of the Universe Possible in the Relativistic Theory of Gravitation?

For the flat FLRW model of Universe evolution in RTG a new model of Dark Energy is proposed. It is a global scalar field Φ with the quadratic potential. It ensures cosmological acceleration at the present time and a bounce at the latе times. At the contraction stage Kazner-like growing anisotropy of Riemannian metrics will break a mass-of- the-graviton bounce mechanism near the Big Bang in FLRW case. There is also noncyclic option, when small enough graviton-mass-terms are significant only at the end of expansion. After bounce, during next contraction epoch, an anisotropy grows and the matter density finally reaches the Planck one.

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Publication Details

Journal
Vestnik Moskovskogo Universiteta Seriya 3 Fizika Astronomiya
Published
2024-10-14
DOI
https://doi.org/10.55959/msu0579-9392.79.2440102
Primary Topic
Cosmology and Gravitation Theories
Type
article
Field-Weighted Citation Impact
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article

Is the Cyclic Model of the Universe Possible in the Relativistic Theory of Gravitation?

Yu. V. Chugreev
Vestnik Moskovskogo Universiteta Seriya 3 Fizika Astronomiya
Cosmology and Gravitation Theories
article

Is the Cyclic Model of the Universe Possible in the Relativistic Theory of Gravitation?

Yu. V. Chugreev
article en

Abstract

For the flat FLRW model of Universe evolution in RTG a new model of Dark Energy is proposed. It is a global scalar field Φ with the quadratic potential. It ensures cosmological acceleration at the present time and a bounce at the latе times. At the contraction stage Kazner-like growing anisotropy of Riemannian metrics will break a mass-of- the-graviton bounce mechanism near the Big Bang in FLRW case. There is also noncyclic option, when small enough graviton-mass-terms are significant only at the end of expansion. After bounce, during next contraction epoch, an anisotropy grows and the matter density finally reaches the Planck one.

Vestnik Moskovskogo Universiteta Seriya 3 Fizika Astronomiya(№4_2024)
Lomonosov Moscow State University (RU), Moscow State University (TJ)
Affordable and clean energy
Openalex Percentile: Top 87%
Cosmology and Gravitation Theories
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