Observational constraints on the equation of state of viscous fluid in f (R, T) gravity

M Koussour, A Altaibayeva, S Bekov, O Donmez… - Physics of the Dark …, 2024 - Elsevier
In this paper, we investigate a cosmological model based on viscous f (R, T) gravity as a
potential alternative to dark energy. This model incorporates bulk viscosity and is analyzed …

Probing the universe's expansion dynamics: The linear correction scenario perspective on dark energy

Y Myrzakulov, M Koussour, M Karimov… - Journal of High Energy …, 2024 - Elsevier
In this study, we investigate the cosmological evolution of the universe, focusing on the
KMMS models in a model-independent approach, particularly the scenario involving linear …

Exploring Universe acceleration through observational constraints via Hubble parameter reconstruction

M Koussour, N Myrzakulov, MKM Ali - Journal of High Energy Astrophysics, 2024 - Elsevier
In this article, we introduce an innovative parametric representation of the Hubble
parameter, providing a model-independent means to explore the dynamics of an …

Constrained ΛCDM dark energy models in higher derivative f (R, Lm)-gravity theory

DC Maurya - Physics of the Dark Universe, 2023 - Elsevier
In the present paper, we have investigated dark energy scenarios in higher derivative f (R, L
m) gravity theory in a flat spacetime universe by constraining cosmographic series of Hubble …

Exploring cosmological evolution and constraints in f (T) teleparallel gravity

M Koussour, A Altaibayeva, S Bekov… - Physics of the Dark …, 2024 - Elsevier
This study explores the extension of teleparallel gravity within the framework of general
relativity, introducing an algebraic function f (T) dependent on the torsion scalar T. Motivated …

Dark energy nature of logarithmic f (R, Lm)-gravity models with observational constraints

A Dixit, A Pradhan, M Zeyauddin… - International Journal of …, 2024 - ui.adsabs.harvard.edu
This work explores the dark energy nature of logarithmic f (R, Lm)-gravity models with
observational constraints, where Lm represents the matter Lagrangian for perfect fluid and R …

Resolving FLRW cosmology through effective equation of state in f (T) gravity

SR Bhoyar, YB Ingole - Chinese Journal of Physics, 2024 - Elsevier
This article explores the cosmological scenario of the universe in the context of the f (T)
power law model, where T represents the torsion scalar. To obtain the deterministic solution …

Cosmological constraints on time-varying cosmological terms: A study of FLRW universe models with Λ (t) CDM cosmology

M Koussour, N Myrzakulov, J Rayimbaev - Advances in Space Research, 2024 - Elsevier
This paper explores models of the FLRW universe that incorporate a time-varying
cosmological term Λ (t). Specifically, we assume a power-law form for the cosmological term …

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 …

Exploring late-time cosmic acceleration: A study of a linear f (T) cosmological model using observational data

A Zhadyranova, M Koussour, S Bekkhozhayev… - Physics of the Dark …, 2024 - Elsevier
Understanding the evolution of dark energy poses a significant challenge in modern
cosmology, as it is responsible for the universe's accelerated expansion. In this study, we …