Isotropization of locally rotationally symmetric Bianchi-I universe in f(Q)-gravity

A De, S Mandal, JT Beh, TH Loo, PK Sahoo - The European Physical …, 2022 - Springer
Despite having the somewhat successful description of accelerated cosmology, the early
evolution of the universe always challenges mankind. Our promising approach lies in a new …

Modeling wormholes in gravity

P Moraes, PK Sahoo - Physical Review D, 2017 - APS
In this work, we propose the modeling of static wormholes within the f (R, T) extended theory
of gravity perspective. We present some models of wormholes, which are constructed from …

Study of anisotropic strange stars in gravity: An embedding approach under the simplest linear functional of the matter-geometry coupling

SK Maurya, A Errehymy, D Deb, F Tello-Ortiz, M Daoud - Physical Review D, 2019 - APS
The present work is focused on the investigation of the existence of compact structures
describing anisotropic matter distributions within the framework of modified gravity theories …

Krori–Barua Bardeen compact stars in f (R, T) gravity

A Malik, Z Asghar, MF Shamir - New Astronomy, 2023 - Elsevier
The current study emphasizes the impact of electric charge for static spherically symmetric
stellar structures using isotropic distribution in f (R, T) theory of gravity. For this purpose, we …

The simplest non-minimal matter–geometry coupling in the f(RT) cosmology

P Moraes, PK Sahoo - The European Physical Journal C, 2017 - Springer
Abstract f (R, T) gravity is an extended theory of gravity in which the gravitational action
contains general terms of both the Ricci scalar R and the trace of the energy-momentum …

Late-time acceleration in f (Q) gravity: Analysis and constraints in an anisotropic background

M Koussour, K El Bourakadi, SH Shekh, SKJ Pacif… - Annals of Physics, 2022 - Elsevier
This paper is devoted to investigate the anisotropic locally rotationally symmetric (LRS)
Bianchi type-I space–time in the context of the recently proposed f (Q) gravity in which Q is …

Stellar equilibrium configurations of compact stars in f (R, T) theory of gravity

P Moraes, JDV Arbañil, M Malheiro - Journal of Cosmology and …, 2016 - iopscience.iop.org
In this article we study the hydrostatic equilibrium configuration of neutron stars and strange
stars, whose fluid pressure is computed from the equations of state p= ωρ 5/3 and p= 0.28 …

Gravastars in gravity

A Das, S Ghosh, BK Guha, S Das, F Rahaman, S Ray - Physical Review D, 2017 - APS
We propose a unique stellar model under the f (R, T) gravity by using the conjecture of
Mazur-Mottola [P. Mazur and E. Mottola, Report No. LA-UR-01-5067, P. Mazur and E …

Observational constraints on the equation of state of viscous fluid in f (R, T) gravity

M Koussour, A Altaibayeva, S Bekov, O Donmez… - Physics of the Dark …, 2024 - Elsevier
In this paper, we investigate a cosmological model based on viscous f (R, T) gravity as a
potential alternative to dark energy. This model incorporates bulk viscosity and is analyzed …

[HTML][HTML] Static spherically symmetric wormholes in f (R, T) gravity

M Zubair, S Waheed, Y Ahmad - The European Physical Journal C, 2016 - Springer
In this work, we explore wormhole solutions in f (R, T) theory of gravity, where R is the scalar
curvature and T is the trace of stress-energy tensor of matter. To investigate this, we consider …