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IHEP 97 - 36 | |
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| S.S.Gershtein, A.A.Logunov, M.A.Mestvirishvili | ||
| Evolution of the Universe and Graviton Mass | ||
| Protvino, 1997.- p.18, refs.:8. | ||
The paper considers the evolution of homogeneous and isotropic Universe within the frames of the Relativistic Theory of Gravitation (RTG). It is stated, that in the framework of this theory, the Universe cannot be other than ``flat", i.e., its spatial metric is the Euclidean one. It has been demonstrated that unambiguously arising in RTG a term structure, that breaks the gauge freedom (containing a cosmological term and graviton mass, characterized by the unique constant) results in the elimination of cosmological singularity and the development of the Universe in a series of alternating cycles, from high density x to minimal n, etc. The Mach principle is naturally realized in the theory: the inertial system is determined by the distribution of masses in the Universe. The theory testifies to the presence of the big ``hidden" mass of the Universe. The Hubble constant H, deceleration parameter q and the evolution period of the Universe have been estimated. The present values $H(\tau_c)$, $q(\tau_c)$ end the time from the onset of evolution $\tau_c$ are practically independent of the maximum density of matter x connected with the integral of motion. In the given model the known problems of singularity, flatness, causality are lacking; and in order to solve them, there is no need to introduce the stage of inflational expansion.
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