General covariant symmetric teleparallel cosmology

M Hohmann - Physical Review D, 2021 - APS
Symmetric teleparallel gravity theories, in which the gravitational interaction is attributed to
the nonmetricity of a flat, symmetric, but not metric-compatible affine connection, have been …

Existence of non-singular stellar solutions within the context of electromagnetic field: a comparison between minimal and non-minimal gravity models

T Naseer, JL Said - The European Physical Journal C, 2024 - Springer
In this paper, we explore the existence of various non-singular compact stellar solutions
influenced by the Maxwell field within the matter-geometry coupling based modified gravity …

Dark matter as a Weyl geometric effect

P Burikham, T Harko, K Pimsamarn, S Shahidi - Physical Review D, 2023 - APS
We investigate the possibility that the observed behavior of test particles outside galaxies,
which is usually explained by assuming the existence of dark matter, is the result of the …

Neutron stars in gravity

CE Mota, JMZ Pretel, COV Flores - The European Physical Journal C, 2024 - Springer
This study explores the behavior of compact stars within the framework of f (R, L m, T)
gravity, focusing on the functional form f (R, L m, T)= R+ α TL m. The modified Tolman …

Non-minimal geometry–matter couplings in Weyl–Cartan space–times: f (R, T, Q, Tm) gravity

T Harko, N Myrzakulov, R Myrzakulov… - Physics of the Dark …, 2021 - Elsevier
We consider an extension of standard General Relativity in which the Hilbert–Einstein action
is replaced by an arbitrary function of the Ricci scalar, nonmetricity, torsion, and the trace of …

Coupling matter and curvature in Weyl geometry: conformally invariant f R, L m gravity

T Harko, S Shahidi - The European Physical Journal C, 2022 - Springer
We investigate the coupling of matter to geometry in conformal quadratic Weyl gravity, by
assuming a coupling term of the form L m R~ 2, where L m is the ordinary matter …

Relativistic structure of charged quark stars in energy–momentum squared gravity

JMZ Pretel, T Tangphati, A Banerjee - Annals of Physics, 2023 - Elsevier
Within the context of energy–momentum squared gravity (EMSG), where non-linear matter
contributions appear in the gravitational action, we derive the modified TOV equations …

Moment of inertia and compactness of quark stars within the context of gravity

JMZ Pretel - arxiv preprint arxiv:2407.03626, 2024 - arxiv.org
Within the metric formalism of $ f (R, T, L_m) $ gravity theories, we investigate the hydrostatic
equilibrium structure of compact stars taking into account both isotropic and anisotropic …

Thermodynamics and Perturbative Analysis of Some Newly Developed F (R, L m, T) F(R,L_m,T) Theories Under the Scenario of Conserved Energy‐momentum …

M Zubair, S Waheed, Q Muneer… - Fortschritte der …, 2023 - Wiley Online Library
The present work is devoted to explore some interesting cosmological features of a newly
proposed theory of gravity namely F (R, L m, T) F(R,L_m,T) theory, where R and T represent …

Stationary BTZ space-time in Ricci-inverse and gravity theories

F Ahmed, A Bouzenada - The European Physical Journal C, 2024 - Springer
In this paper, we explore a stationary BTZ space-time within the framework of modified
gravity theory, specifically focusing on Ricci-inverse gravity. It is important to clarify that …