Exact solutions of Bianchi-type I and V spacetimes in the f (R) theory of gravity

M Sharif, MF Shamir - Classical and Quantum Gravity, 2009 - iopscience.iop.org
In this paper, the crucial phenomenon of the expansion of the universe has been discussed.
For this purpose, we study the vacuum solutions of Bianchi-type I and V spacetimes in the …

Dark energy models with variable equation of state parameter

AK Yadav, F Rahaman, S Ray - International Journal of Theoretical …, 2011 - Springer
The dark energy models with variable equation of state parameter ω are investigated by
using law of variation of Hubble's parameter that yields the constant value of deceleration …

Some anisotropic dark energy models in Bianchi type-V space-time

AK Yadav - Astrophysics and Space Science, 2011 - Springer
The paper deals with Bianchi type V Universe, which has dynamical energy density. We
consider Bianchi type V space-time, introducing three different skewness parameters along …

Bianchi type string cosmological models in f (R, T) gravity

PK Sahoo, B Mishra, P Sahoo, SKJ Pacif - The European Physical Journal …, 2016 - Springer
In this work we have studied Bianchi-III and-VI 0 cosmological models with string fluid
source in f (R, T) gravity (T. Harko et al., Phys. Rev. D 84, 024020 (2011)), where R is the …

Transit dark energy string cosmological models with perfect fluid in -gravity

R Zia, DC Maurya, A Pradhan - International Journal of Geometric …, 2018 - World Scientific
In this paper, spatially homogeneous and anisotropic Bianchi type-VI 0 dark energy (DE)
cosmological transit models with string fluid source in f (R, T) gravity [T. Harko et al., Phys …

Bianchi type-V perfect fluid space-time models in general relativity

CP Singh, S Ram, M Zeyauddin - Astrophysics and Space Science, 2008 - Springer
The law of variation for the generalized mean Hubble's parameter in the case of a spatially
homogeneous and anisotropic Bianchi type-V space-time metric that yields a constant value …

Cosmological constant dominated transit universe from the early deceleration phase to the current acceleration phase in Bianchi-V spacetime

AK Yadav - Chinese Physics Letters, 2012 - iopscience.iop.org
We present the transition of the universe from the early decelerating phase to the current
accelerating phase with viscous fluid and time-dependent cosmological constant Λ as a …

Generation of Bianchi type V cosmological models with varying Λ-term

A Pradhan, AK Yadav, L Yadav - Czechoslovak Journal of Physics, 2005 - Springer
Bianchi type V perfect fluid cosmological models are investigated with cosmological term Λ
varying with time. Using a generation technique (Camci et al., 2001), it is shown that …

A Generalized Solution of Bianchi Type-V Models with Time-Dependent G and Λ

AHA Alfedeel, A Abebe, HM Gubara - Universe, 2018 - mdpi.com
We study the homogeneous but anisotropic Bianchi type-V cosmological model with time-
dependent gravitational and cosmological “constants”. Exact solutions of the Einstein field …

[HTML][HTML] V cosmological models in f (R, T) modified gravity with Λ (T) by using generation technique

N Ahmed, A Pradhan, M Fekry, SZ Alamri - NRIAG Journal of Astronomy …, 2016 - Elsevier
A new class of cosmological models in f (R, T) modified theories of gravity proposed by
Harko et al.(2011), where the gravitational Lagrangian is given by an arbitrary function of …