Viscous fluid accelerating model in modified gravity-Reference-Cited by-同舟云学术

Viscous fluid accelerating model in modified gravity

Published:2022-01-31 Issue:04 Volume:19 Page:
ISSN:0219-8878
Container-title:International Journal of Geometric Methods in Modern Physics
language:en
Short-container-title:Int. J. Geom. Methods Mod. Phys.

Author:

Tarai Sankarsan¹,Ray Pratik P.²,Mishra B.³^ORCID,Tripathy S. K.⁴

Affiliation:

1. Centre of High Energy and Condensed Matter Physics, Department of Physics, Utkal University, Vani Vihar, Bhubaneswar 751004, India

2. Department of Mathematics (SSL), Vellore Institute of Technology-Andhra Pradesh University, Andhra Pradesh 522237, India

3. Department of Mathematics, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad 500078, India

4. Department of Physics, Indira Gandhi Institute of Technology, Sarang, Dhenkanal, Odisha 759146, India

Abstract

In the framework of extended theory of gravity, an accelerating cosmological model has been presented in this paper in an anisotropic space-time. The extended gravity is considered as [Formula: see text] gravity with the matter field as viscous fluid. The role of viscous coefficient has been discussed on the cosmic expansion issue. In the developed formalism, a variable Hubble parameter has been incorporated to express the dynamical parameter with respect to redshift. The model is observed to be compatible with recent observational data.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Physics and Astronomy (miscellaneous)

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219887822500608

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