Some Topological Defects in Creation Field Theory for Kaluza-Klein Universe
Abstract
One of the most consistent theories about the formation of the universe is the Big Bang theory. According to the Big Bang theory, the universe was formed 13.8 billion years ago from a very dense and hot point. According to theory of the Big Bang, there were four basic forces (gravity, electromagnetic, strong and weak forces) in the beginning of the universe called the Planck period. Then these four basic forces began to separate. Firstly, the gravitational force was separated from the other three forces. Then the strong force was divided from the other forces. Finally, the electromagnetic and weak forces were separated from each other. During the separation of these forces, the universe has gone from a high temperature to a low temperature, with symmetry breaking in the universe. These symmetry breaking has led to the formation of topological defects in the universe. In this symmetry breaking, zero-dimensional monopoles and one-dimensional strings were formed. In the case of discrete symmetry, two-dimensional Domain Walls were formed.
In recent years, observations made show that the universe is accelerating expansion. Scientists have put forth several theories to explain the reasons for acceleration and the expansion. It is thought that acceleration and expansion can cause materials such as dark matter and dark energy. This acceleration and expansion can also be explained by some alternative gravitation theories such as Lyra, Creation Field, Brans-Dicke, f (R), f (R, T).
Creation Field theory is one of the alternative gravitation theories in chargeless and massless scalar field for the formation of the matter. With this theory, we tried to solve the flatness and horizon problems that we encountered in the Big Bang theory.
In this study, Einstein field equations were obtained for the Creation Field theory for the high-dimensional Kaluza-Klein metric by taking Domain Wall matter, one of the topological defects that occurred during symmetry breaking in the first moments of the universe. The deceleration parameter, which is an important quantity in the acceleration of the universe, is taken in linear and constant form for the solution of these equations. These solutions were analyzed in detail as geometric and physical. Furthermore, kinematic quantities obtained and physically was interpreted. In addition, the problem will be resolved with the effects of acceleration and generalization of the solutions of the high dimensions.
Keywords
References
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Details
Primary Language
Turkish
Subjects
Engineering
Journal Section
Research Article
Publication Date
May 29, 2017
Submission Date
May 29, 2017
Acceptance Date
-
Published in Issue
Year 2017 Volume: 3 Number: 1