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Bianchi type-I cosmological models with time-varying gravitational constant and cosmological constant for a perfect fluid

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Title: Bianchi type-I cosmological models with time-varying gravitational constant and cosmological constant for a perfect fluid

Authors: G. M. Wali Ullah

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2021

Volume: 16

Issue: 21

Language: English

Categories
Physics (3755) Mathematical Physics (49) General Relativity (20) Astrophysics (111) Cosmology (131)

Abstract

This paper addresses a Bianchi type-I Cosmological model with time-varying Gravitational constant, G and Cosmological constant, for perfect fluid in a homogeneous anisotropic space. For constant deceleration parameter q, a set of realistic solutions are obtained. The physical and geometrical properties of the model have been discussed in detail.

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