FRW Domain Walls in Modified f(G) Theory of Gravitation

In this paper, we have studied Friedmann-Robertson-Walker space-time in the presence of domain walls in the framework of f(G) theory of gravitation. We propose the generalization of linearly varying deceleration parameter. It is observed that the universe is accelerating and expanding. The values of...

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Bibliographic Details
Published in:Astrophysics 2021-02, Vol.64 (1), p.103-116
Main Authors: Katore, S. D., Hatkar, S. P., Dudhe, P. S.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Astroparticles
Astrophysics and Cosmology
Deceleration
Domain walls
Gravitation
Gravity
Mathematical models
Observations and Techniques
Parameters
Physical properties
Physics
Physics and Astronomy
Space and time
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
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Summary:In this paper, we have studied Friedmann-Robertson-Walker space-time in the presence of domain walls in the framework of f(G) theory of gravitation. We propose the generalization of linearly varying deceleration parameter. It is observed that the universe is accelerating and expanding. The values of state finder parameters are close to ΛCDM model. Some physical parameters of the obtained models are discussed in detail.
ISSN:0571-7256
1573-8191
DOI:10.1007/s10511-021-09672-5