Relativistic models for anisotropic compact stars: A review

J Kumar, P Bharti - New Astronomy Reviews, 2022 - Elsevier
Abstract The Einstein–Maxwell (or Einstein) system of field equations plays a substantial
role in the modeling of compact stars. Although due to its non-linearity getting an exact …

Energy conditions in gravity

S Mandal, PK Sahoo, JRL Santos - Physical Review D, 2020 - APS
A complete theory of gravity impels us to go beyond Einstein's general relativity. One
promising approach lies in a new class of teleparallel theory of gravity named f (Q), where …

Anisotropic nature of space–time in fQ gravity

M Koussour, SH Shekh, M Bennai - Physics of the Dark Universe, 2022 - Elsevier
In this paper, we consider the Bianchi type-I space–time with perfect fluid as matter content
of the Universe in the framework of f (Q) gravity (where Q is the non-metricity scalar) recently …

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 …

Bouncing cosmology in gravity

JK Singh, K Bamba, R Nagpal, SKJ Pacif - Physical Review D, 2018 - APS
A cosmological model with a specific form of the Hubble parameter is constructed in a flat
homogeneous, and isotropic background in the framework of f (R, T) gravity, where R is the …

Metric-affine Myrzakulov gravity theories

N Myrzakulov, R Myrzakulov, L Ravera - Symmetry, 2021 - mdpi.com
In this paper, we review the so-called Myrzakulov Gravity models (MG-N, with N= I, II,…, VIII)
and derive their respective metric-affine generalizations (MAMG-N), discussing also their …

Bouncing cosmology in modified gravity with higher-order curvature terms

JK Singh, H Balhara, K Bamba, J Jena - Journal of High Energy Physics, 2023 - Springer
A bstract A bouncing scenario of a flat homogeneous and isotropic universe is explored by
using the reconstruction technique for the power-law parametrization of the Hubble …

Cosmological tests of parametrization in FLRW cosmology

A Bouali, BK Shukla, H Chaudhary… - … Journal of Geometric …, 2023 - World Scientific
In this paper, we investigate the accelerated expansion of the Universe in the context of f (Q)
modified theory of gravity, where Q is a non-metricity scalar which characterizes the …