Finite-time cosmological singularities and the possible fate of the Universe

J de Haro, S Nojiri, SD Odintsov, VK Oikonomou, S Pan - Physics Reports, 2023 - Elsevier
Singularities in any physical theory are either remarkable indicators of the unknown
underlying fundamental theory, or indicate a change in the description of the physical reality …

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 …

Evolving embedded traversable wormholes in f (R, G) gravity: a comparative study

T Naz, A Malik, MK Asif, I Fayyaz - Physics of the Dark Universe, 2023 - Elsevier
The objective of this paper is to unveil the evolving traversable wormhole solutions within
the perspective of modified f (R, G) gravity, where R is Ricci scalar and G is Gauss Bonnet …

Gravastars in f (R, G) gravity

MZ Bhatti, Z Yousaf, A Rehman - Physics of the Dark Universe, 2020 - Elsevier
In this paper, we discuss some feasible features of gravastar that was firstly demonstrated by
Mazur and Mottola. It is already established that gravastar associates the de-Sitter …

Noncommutative wormhole solutions in modified f (R) theory of gravity

MF Shamir, A Malik, G Mustafa - Chinese Journal of Physics, 2021 - Elsevier
The aim of this manuscript is to discuss the wormhole geometry in f (R) theory of gravity,
where R represents the Ricci scalar. For our current work, we consider the spherically …

Singularity-free anisotropic strange quintessence stars in theory of gravity

A Malik, A Tariq, SA Mardan, I Noureen - The European Physical Journal …, 2023 - Springer
In this article, we present a detailed model of anisotropic quintessence stars in the
hypothesis of f (R, ϕ, X) gravity, where R is the Ricci scalar, ϕ represents the potential scalar …

Analysis of charged compact stars in modified f (R, ϕ) theory of gravity

A Malik - New Astronomy, 2022 - Elsevier
This paper investigates the behavior of charged compact stars in the modified f (R, ϕ) theory
of gravity, where R and ϕ denote the Ricci scalar and scalar field respectively. The modified …

Cosmological viable models in f (T, B) theory as solutions to the H0 tension

C Escamilla-Rivera, JL Said - Classical and Quantum Gravity, 2020 - iopscience.iop.org
In this work we present a further investigation about teleparallel gravity cosmology. We
demonstrate that according to the current astrophysical data (CC+ Pantheon+ BAO samplers …

Bardeen compact stars in modified f (R) gravity

MF Shamir, A Malik - Chinese Journal of Physics, 2021 - Elsevier
This work aims to study a charged compact star in the scenario of f (R) theory of gravity. We
use some matching condition of spherically symmetric space-time with Bardeen's model as …

Observational constraints on teleparallel effective equation of state

SH Shekh, H Chaudhary, A Bouali, A Dixit - General Relativity and …, 2023 - Springer
A cluster of astronomical observations emerged that the present Universe is in a phase of
accelerated expansion. To examine the accelerated expansion of the Universe, we used the …