114 citations · 1.7k across the 59 of their papers we have counts for
32 papers · 1 filter
Bouncing behavior in gravity: Phantom crossing and energy conditions
M. Koussour, N. Myrzakulov, Javlon Rayimbaev +2
In this work, we investigate the bouncing behavior of the universe within the framework of gravity, using a simple form of (where is a f…
Cosmological implications of the constant jerk parameter in gravity theory
N. Myrzakulov, M. Koussour, Alnadhief H. A. Alfedeel +1
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. Specific…
Modeling cosmic acceleration with a generalized varying deceleration parameter
M. Koussour, N. Myrzakulov, Alnadhief H. A. Alfedeel +2
Understanding the accelerating expansion of the Universe remains a fundamental challenge in modern cosmology. In this paper, we investigate a cosmological model parametrized by a g…
Impact of dark energy on the equation of state in light of the latest cosmological data
N. Myrzakulov, M. Koussour, Alnadhief H. A. Alfedeel +1
We reconstruct the effective Equation of State (EoS) within the framework of General Relativity (GR) theory in a homogeneous and isotropic FLRW Universe, which is assumed to be com…
Quintessence-like features in the late-time cosmological evolution of symmetric teleparallel gravity
N. Myrzakulov, M. Koussour, A. Mussatayeva
In this study, we investigate the cosmological history within the framework of modified gravity, which proposes an alternative theory of gravity where the gravitational forc…
Cosmological constraints on dark energy in gravity: A parametrized perspective
A. Mussatayeva, N. Myrzakulov, M. Koussour
In this paper, we focus on the parametrization of the effective equation of state (EoS) parameter within the framework of symmetric teleparallel gravity. Here, the gravitati…
Observational Constraints on Hybrid Scale Factor in f(Q,T) Gravity with Anisotropic Space-Time
S. A. Narawade, M. Koussour, B. Mishra
In this paper, we present an accelerating cosmological model by constraining the free parameters using the cosmological datasets in an extended symmetric teleparallel gravity for t…
A new cosmological model with quadratic expansion
N. Myrzakulov, M. Koussour, Dhruba Jyoti Gogoi
We present a new cosmological model capable of reproducing late-time acceleration, i.e. by supporting certain parametrizatio…
Constrained gravity accelerating cosmological model and its dynamical system analysis
S. A. Narawade, M. Koussour, B. Mishra
In this paper, we have presented an accelerating cosmological model of the Universe in an extended symmetric teleparallel gravity or gravity. The parametric form of the Hu…
Observational constraints on two cosmological models of theory
M. Koussour, Avik De
In the past few years, theories have drawn a lot of research attention in replacing Einstein's theory of gravity successfully. The current study examines the novel cosmologi…
Anisotropic Universe in gravity, a novel study
Tee-How Loo, M. Koussour, Avik De
theory of gravity is very recently proposed to incorporate within the action Lagrangian, the trace of the energy-momentum tensor along with the non-metricity scalar $Q…
Observational constraints on a logarithmic scalar field dark energy model and black hole mass evolution in the Universe
Dan Wang, M. Koussour, Adnan Malik +2
We propose a logarithmic parametrization form of energy density for the scalar field dark energy in the framework of the standard theory of gravity, which supports the necessary tr…
Constant sound speed and its thermodynamical interpretation in gravity
M. Koussour, Simran Arora, Dhruba Jyoti Gogoi +2
On the basis of homogeneous and isotropic Friedmann-Lemaitre-Robertson-Walker (FLRW) geometry, solutions to the issues of cosmic acceleration and dark energy are being put forth wi…
Quasinormal Modes of Black holes in gravity
Dhruba Jyoti Gogoi, Ali Övgün, M. Koussour
In this work, we have studied the quasinormal modes of a black hole in a model of the type in gravity by using a rece…
A New Diagnostic of Dark Energy in General Relativity Theory
N. Myrzakulov, M. Koussour, Dhruba Jyoti Gogoi
In this paper, we propose a new parametrization of dark energy based on the diagnostic tool behavior. For this purpose, we investigate a functional form of the that…
A model-independent method with phantom divide line crossing in Weyl-type gravity
M. Koussour
We investigate the history of the cosmos using an extension of symmetric teleparallel gravity, namely Weyl-type gravity, where represents the non-metricity scalar of s…
Bulk viscous fluid in extended symmetric teleparallel gravity
M. Koussour, S. H. Shekh, M. Bennai +1
In this paper, we investigate the existence of bulk viscous FLRW cosmological models in a recently proposed extended symmetric teleparallel gravity or gravity…
Anisotropic background for two fluids: matter and holographic dark energy
M. Koussour, M. Bennai
We discuss a spatially homogeneous and anisotropic Bianchi type-I space-time with two fluids as the content of the Universe: matter and holographic dark energy in the framework of…
Quintessence Universe and cosmic acceleration in gravity
M. Koussour, N. Myrzakulov, S. H. Shekh +1
The problem of cosmic acceleration and dark energy is one of the mysteries presently posed in the scientific society that general relativity has not been able to solve. In this wor…
Quintessence like behavior of symmetric teleparallel dark energy: Linear and nonlinear model
A. Hanin, M. Koussour, Z. Sakhi +1
In Einstein's General Relativity (GR), the gravitational interactions are described by the spacetime curvature. Recently, other alternative geometric formulations and representatio…
Cosmic jerk parameter in symmetric teleparallel cosmology
M. Koussour, S. Dahmani, M. Bennai +1
In this paper, we have examined the recently proposed modified symmetric teleparallel gravity, in which gravitational Lagrangian is given by an arbitrary function of non-metricity…
Barrow holographic dark energy models in symmetric teleparallel gravity with Lambert function distribution
M. Koussour, S. H. Shekh, H. Filali +1
The paper presents Barrow holographic dark energy (infrared cut-off is the Hubble horizon) suggested by Barrow recently (Physics Letters B 808 (2020): 135643) in an anisotropic Bia…
Late-time acceleration in gravity: Analysis and constraints in an anisotropic background
M. Koussour, K. El Bourakadi, S. H. Shekh +2
This paper is devoted to investigate the anisotropic locally rotationally symmetric (LRS) Bianchi type-I space-time in the context of the recently proposed gravity in which…
A new parametrization of Hubble parameter in gravity
M. Koussour, S. K. J. Pacif, M. Bennai +1
In this paper, we examine the accelerated expansion of the Universe at late-time in the framework of gravity theory in which the non-metricity scalar descri…