Spherically symmetric generating solutions in f(R) theory

SA Mardan, UF Moeed, I Noureen, A Malik - The European Physical …, 2023 - Springer
The main objective of this work, is to develop a novel general framework for generating
solutions of stellar models in f (R) theory of gravity with class one metric. Such framework 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 …

[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 …

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 …

Compact stars in gravity

A Das, F Rahaman, BK Guha, S Ray - The European Physical Journal C, 2016 - Springer
In the present paper we generate a set of solutions describing the interior of a compact star
under f (R, T) f (R, T) theory of gravity which admits conformal motion. An extension of …

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 …

Exploring physical features of anisotropic strange stars beyond standard maximum mass limit in gravity

D Deb, SV Ketov, SK Maurya, M Khlopov… - Monthly Notices of …, 2019 - academic.oup.com
We study a specific model of anisotropic strange stars in the modified-type gravity by
deriving solutions to the modified Einstein field equations representing a spherically …

Wormhole formation in gravity: Varying Chaplygin gas and barotropic fluid

E Elizalde, M Khurshudyan - Physical Review D, 2018 - APS
In this paper, the formation of specific static wormhole models is discussed, by assuming an f
(R, T)= R+ 2 λ T extended theory of gravity, T=-ρ+ P r+ 2 P l being the trace of the energy …

Traversable wormhole solutions admitting Karmarkar condition in f(RT) theory

M Sharif, A Fatima - The European Physical Journal Plus, 2023 - Springer
In this paper, we evaluate traversable wormhole solutions through Karmarkar condition in f
(R, T) theory, where T is the trace of the energy-momentum tensor and R represents the …