Late-time cosmology in f (Q, Lm) gravity: Analytical solutions and observational fits

Y Myrzakulov, O Donmez, M Koussour… - Physics of the Dark …, 2024 - Elsevier
In this study, we examined the late-time cosmic expansion of the universe within the
framework of f (Q, L m) gravity, where Q denotes the non-metricity and L m represents the …

[HTML][HTML] Primordial Black Hole Messenger of Dark Universe

M Khlopov - Symmetry, 2024 - mdpi.com
Primordial black holes (PBH), if survive to the present time, can be a fraction, or even the
dominant form of dark matter of the Universe. If PBH evaporate before the present time, rare …

Constraints on anisotropic properties of the universe in f (Q, T) gravity theory

A Zhadyranova, M Koussour, V Zhumabekova… - Journal of High Energy …, 2024 - Elsevier
Motivated by anomalies in cosmic microwave background observations, we investigate the
implications of f (Q, T) gravity in Bianchi type-I spacetime, aiming to characterize the …

Cosmological implications of the constant jerk parameter in f (Q, T) gravity theory

N Myrzakulov, M Koussour, AHA Alfedeel… - Chinese Journal of …, 2023 - Elsevier
This study delves into modified gravity theories that are equivalent to General Relativity but
involve the torsion or non-metricity scalar instead of the curvature scalar. Specifically, we …

Observational analysis of late-time acceleration in f (Q, Lm) gravity

K Myrzakulov, M Koussour, O Donmez, A Cilli… - Journal of High Energy …, 2024 - Elsevier
In this study, we explored late-time cosmology within an extended class of theories based on
f (Q, L m) gravity. This theory generalizes f (Q) gravity by incorporating a non-minimal …

The dynamics of matter bounce cosmology in Weyl-type f (Q, T) gravity

A Zhadyranova, M Koussour… - Chinese Journal of Physics, 2024 - Elsevier
In this work, we investigate the dynamics of bouncing cosmologies within the framework of
Weyl-type f (Q, T) gravity. Here, Q represents the non-metricity of the space–time, is …

Impact of non-metricity and matter source on the geometry of anisotropic spheres

MZ Gul, M Sharif, A Arooj, B Dayanandan - Chinese Journal of Physics, 2025 - Elsevier
This paper delves into the impact of extended symmetric teleparallel theory on anisotropic
compact stellar structures. The explicit field equations were formulated by considering a …

Stability analysis of static spherical spacetime in extended symmetric teleparallel gravity

MZ Gul, M Sharif, A Arooj - Chinese Physics C, 2024 - iopscience.iop.org
Our manuscript aims to analyze the viability and stability of anisotropic stellar objects in the
modified symmetric teleparallel gravity. A particular model of this extended theory is …

A comprehensive analysis of cosmic evolution in theory

M Sharif, MZ Gul, S Shabbir - Physica Scripta, 2024 - iopscience.iop.org
This paper examines the bouncing cosmology in () f, theory, where represents non-
metricity and denotes the trace of energy-momentum tensor. The aim of this research is to …

Perturbation Spectra of Warm Inflation in f (Q, T) Gravity

M Shiravand, M Farhoudi… - The Astrophysical …, 2024 - iopscience.iop.org
We investigate the warm inflationary scenario within the context of the linear version of f (Q,
T) gravity, coupled with both the inflaton scalar field and the radiation field, under the …