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Nonsingular cosmological model with background field in flat space-time theory of gravitation
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In this paper, a theory of gravitation in flat space-time is applied to homogeneous, isotropic cosmological models and a two-component fluid model consisting of dust and of a background field is studied.Abstract:
A previously studied theory of gravitation in flat space-time is applied to homogeneous, isotropic cosmological models. In addition to radiation a two-component fluid model consisting of dust and of a background field is studied. This universe starts from a nonsingular state and expands for ever. The energy of radiation, of dust and of the background are emerged from the gravitational energy. Entropy is produced. The age of the universe is infinite measured in units of absolute time whereas the proper-time of the universe is finite. The sum of the density parameters of dust, of radiation and of the background field is about one. There is no flatness and no monopole problem.read more
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Cosmology with Bounce by Flat Space-Time Theory of Gravitation and a New Interpretation
TL;DR: In this paper, a new interpretation of a non-expanding universe may be given by the flat space-time theory of gravitation, under the assumption that the sum of the density parameters is a little bit bigger than one.
Journal ArticleDOI
Theory of linear cosmological perturbations in flat space-time theory of gravitation
Abstract: Covariant linear cosmological perturbations are considered in flat space-time theory of gravitation. The background metric is not altered. The perturbed energy-momentum is given. The basic equations for the propagation of the perturbations are presented. The perturbed equations for a homogeneous, isotropic universe are stated.
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Cosmology with Bounce by Flat Space-Time Theory of Gravitation and a New Interpretation
TL;DR: In this paper, a new interpretation of a non-expanding universe may be given by virtue of flat space-time theory of gravitation, under the assumption that the sum of the density parameters is a little bit bigger than one the universe is very hot in early times.
Journal ArticleDOI
Spherically symmetric cosmological perturbation in a universe with background field
TL;DR: In this article, the equations of small cosmological perturbations of a theory of gravitation in flat space-time are derived and applied to a homogeneous, isotropic, nonsingular cosmology model with radiation, matter and background field.
References
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Inflation for Astronomers
TL;DR: The cosmological theory of inflation is reviewed in this paper, where the standard model and its problems are summarized and the basic mechanism of inflation are described, including the epicycles of inflation and the problem of structure formation, including scale-invariant spectrum, the origin of density perturbations.
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Gravitation in flat space-time.
TL;DR: A previously studied Lorentz-covariant theory of gravitation is given in generally covariant form, i.e., the theory holds for arbitrary reference frames as discussed by the authors.
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Cosmological models without singularities
TL;DR: Petry as mentioned in this paper applied the theory of gravitation in flat space-time to homogeneous and isotropic cosmological models, and the results showed that these models pass into the homogeneous model of Einstein's theory with spatial curvature equal zero and cosmology constant Λ⩾ 0.
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Nonsingular cosmological model with matter creation and entropy production
TL;DR: In this paper, the authors studied the problem of nonsingular cosmological models based on a theory of gravitation in flat space-times and gave the solution of the model analytically.
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Post-newtonian approximation of a nonstationary spherically symmetric star in flat space-time theory of gravitation
TL;DR: In this article, a 2-post-Newtonian approximation of a nonstationary spherically symmetric star is derived and the solution in the exterior of the body is studied to this accuracy.