[HTML][HTML] Cosmological observational constraints on the power law f (Q) type modified gravity theory
In modern cosmology, the curiosity of ultimately understanding the nature of the dark energy
controlling the recent acceleration of the Universe motivates us to explore its properties by …
controlling the recent acceleration of the Universe motivates us to explore its properties by …
Wormhole solutions in f (R, Lm) gravity
In this work, we intend to explore wormhole geometries in the framework of f (R, L m) gravity.
We derive the field equations for the generic f (R, L m) function by assuming the static and …
We derive the field equations for the generic f (R, L m) function by assuming the static and …
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 …
which is usually explained by assuming the existence of dark matter, is the result of the …
Constrained evolution of effective equation of state parameter in non-linear f R, L m dark energy model: insights from Bayesian analysis of cosmic chronometers and …
We conduct a Bayesian analysis of recent observational datasets, specifically the Cosmic
Chronometers (CC) dataset and Pantheon samples, to investigate the evolution of the EoS …
Chronometers (CC) dataset and Pantheon samples, to investigate the evolution of the EoS …
Constructing traversable wormhole solutions in f (R, Lm) theory
T Naseer, M Sharif, A Fatima, S Manzoor - Chinese Journal of Physics, 2023 - Elsevier
This paper aims to explore the viable and stable geometry of traversable wormholes in the
framework of f (R, L m) theory. For this purpose, we build a shape function using the …
framework of f (R, L m) theory. For this purpose, we build a shape function using the …
Compact stellar structures in Weyl geometric gravity
Z Haghani, T Harko - Physical Review D, 2023 - APS
We consider the structure and physical properties of specific classes of neutron, quark, and
Bose-Einstein condensate stars in the conformally invariant Weyl geometric gravity theory …
Bose-Einstein condensate stars in the conformally invariant Weyl geometric gravity theory …
Investigating the dark energy phenomenon in f (R, Lm) cosmological models with observational constraints
S Myrzakulova, M Koussour, N Myrzakulov - Physics of the Dark Universe, 2024 - Elsevier
This paper explores the dark energy phenomenon within the context of f (R, L m) gravity
theory. Two specific non-linear f (R, L m) models are considered: f (R, L m)= R 2+ L m α and f …
theory. Two specific non-linear f (R, L m) models are considered: f (R, L m)= R 2+ L m α and f …
Conformal gravitational theories in Barthel–Kropina-type Finslerian geometry, and their cosmological implications
R Hama, T Harko, SV Sabau - The European Physical Journal C, 2023 - Springer
We consider dark energy models obtained from the general conformal transformation of the
Kropina metric, representing an (α, β)-type Finslerian geometry, constructed as the ratio of …
Kropina metric, representing an (α, β)-type Finslerian geometry, constructed as the ratio of …
Semi-Symmetric Metric Gravity: From the Friedmann–Schouten geometry with torsion to dynamical dark energy models
L Csillag, T Harko - Physics of the Dark Universe, 2024 - Elsevier
In this paper, we develop a geometric generalization of General Relativity based on the semi-
symmetric metric connection introduced by Friedmann and Schouten in 1924. Although the …
symmetric metric connection introduced by Friedmann and Schouten in 1924. Although the …
Testing Weyl geometric gravity with the SPARC galactic rotation curves database
M Crăciun, T Harko - Physics of the Dark Universe, 2024 - Elsevier
We present a detailed investigation of the properties of the galactic rotation curves in the
Weyl geometric gravity model, in which the gravitational action is constructed from the …
Weyl geometric gravity model, in which the gravitational action is constructed from the …