79 citations · 487 across the 40 of their papers we have counts for
22 papers · 1 filter
Black Holes Thermodynamic Topology in Sharma-Mittal Statistics
Issam Najma, Yahya Ladghami, Amine Bouali +1
In this study, we explore the thermodynamic topology of black holes within the Sharma-Mittal entropy framework. Our study covers several black hole solutions, including charged and…
Testing Gravity with Logarithmic Equation of State Using Latest Cosmological Data
Chaymae Karam, Dalale Mhamdi, Taoufik Ouali +2
In this paper, we investigate the late-time accelerated expansion of the Universe in power law gravity, where a logarithmic dark energy parametrization is considered: $ω_{de…
Dark Matter Signatures in Black Hole Thermodynamics and Information Recovery
Yahya Ladghami, Brahim Asfour, Taoufik Ouali
In this paper, we investigate the thermodynamic properties and information recovery of Schwarzschild and Reissner--Nordstr"om black holes surrounded by perfect fluid dark matter. W…
Thermodynamics and information recovery of Schwarzschild AdS black holes in conformal Killing gravity
Yahya Ladghami, Brahim Asfour, Francisco S. N. Lobo +1
We study Schwarzschild AdS black holes in conformal Killing gravity, focusing on their thermodynamics and information recovery via the island formula. Treating the cosmological con…
Gravitational waves production during preheating within GB gravity with monomial coupling
Brahim Asfour, Yahya Ladghami, Taoufik Ouali
In this paper, we investigate the production of gravitational waves during the preheating era. To achieve this purpose, we consider Gauss-Bonnet inflation model with Power{\textend…
Timelike Entanglement Entropy of Hawking Radiation
Yahya Ladghami, Francisco S. N. Lobo, Taoufik Ouali
We introduce the concept of timelike entanglement entropy of Hawking radiation as a novel probe of the black hole information paradox. By analytically continuing black hole spaceti…
Testing Gauss-Bonnet Gravity with DESI BAO Data
Praveen Kumar Dhankar, Dalale Mhamdi, Albert Munyeshyaka +3
In the present paper, we observationally constrain f (G) gravity at the background level using Type Ia supernovae from the Pantheon Plus (PP) sample, cosmic chronometer (CC) data,…
Thermodynamic Topology of Black Holes within Tsallis Statistics
Yahya Ladghami, Brahim Asfour, Amine Bouali +2
In this paper, we investigate the thermodynamic topology of black holes within the framework of Tsallis statistics. By integrating Tsallis non-extensive statistics with topological…
Emergence of running vacuum energy in gravity : Observational constraints
Ahmed Errahmani, Mounia Magrach, Safae Dahmani +2
In this work, we present a new analysis for gravity by exploring the energy momentum tensor. We demonstrate that gravity with the form is e…
Constraints on Power Law and Exponential models in Gravity
Dalale Mhamdi, Farida Bargach, Safae Dahmani +2
In this paper, we observationally test the \( f(Q) \) gravity model at both background and perturbation levels using Pantheon, Hubble measurements, and Redshift Space Distortio…
Observational constraints on the growth index parameters in gravity
Dalale Mhamdi, Safae Dahmani, Amine Bouali +2
In this study, we analyse constraints on the growth index of matter perturbations, , within the framework of gravity, using recent cosmological observations, at the backg…
Diagnostic Approaches for Interacting generalized holographic Ricci Dark Energy Models
Omar Enkhili, Farida Bargach, Dalale Mhamdi +2
In this paper, we present an analytical solution for the interacting generalized holographic dark energy model, assuming a linear interaction rate between dark energy and dark matt…
Cosmological constraints on dynamical dark energy model in gravity
Omar Enkhili, Safae Dahmani, Dalale Mhamdi +2
Extended teleparallel gravity, characterized by function where is the non-metricity scalar, is one of the most promising approaches to general relativity. In this paper,…
Constraints on the reheating phase after Higgs inflation in the hybrid metric-Palatini approach
Brahim Asfour, Aatifa Bargach, Yahya Ladghami +2
In this paper, we study the post-inflationary era called reheating stage. For this purpose, we consider a model in which the inflaton is non-minimally coupled to the curvature with…
Constraining dark energy equations of state in gravity
Ahmed Errahmani, Amine Bouali, Safae Dahmani +2
In this paper, we examine the acceleration of the Universe's expansion in gravity, where denotes the Ricci scalar and the trace of energy-momentum tensor. Indeed,…
Observational Constraints and Cosmological Implications of Scalar-Tensor Gravity
Amine Bouali, Himanshu Chaudhary, Tiberiu Harko +3
Recently, the scalar-tensor representation of gravity was used to explore gravitationally induced particle production/annihilation. Using the framework of irreversible th…
Higgs inflation model with non-minimal coupling in hybrid Palatini approach
Brahim Asfour, Aatifa Bargach, Ahmed Errahmani +1
The inflation model with non-minimal coupling scalar field in the context of the hybrid metric Palatini is studied in this paper. We derive the Einstein's field equations, the equa…
Non-minimal Higgs inflation within holographic cosmology
Aatifa Bargach, Farida Bargach, Mariam Bouhmadi-López +1
We derive a Higgs inflationary model in the context of holographic cosmology, where we consider a universe filled with a Higgs field non-minimally coupled to gravity in a slow-roll…
An interacting holographic dark energy model within an induced gravity brane
Moulay-Hicham Belkacemi, Zahra Bouabdallaoui, Mariam Bouhmadi-López +2
In this paper, we present a model for the late-time evolution of the universe where a dark energy-dark matter interaction is invoked. Dark energy is modeled through an holographic…
More on the holographic Ricci dark energy model: smoothing Rips through interaction effects?
Mariam Bouhmadi-López, Ahmed Errahmani, Taoufik Ouali +1
The background cosmological dynamics of the late Universe is analysed on the framework of a dark energy model described by an holographic Ricci dark energy component. Several kind…
The quantum realm of the "Little Sibling" of the Big Rip singularity
Imanol Albarran, Mariam Bouhmadi-López, Francisco Cabral +1
We analyse the quantum behaviour of the "Little Sibling" of the Big Rip singularity (LSBR) [1]. The quantisation is carried within the geometrodynamical approach given by the Wheel…
The little sibling of the big rip singularity
Mariam Bouhmadi-Lopez, Ahmed Errahmani, Prado Martin-Moruno +2
We present a new cosmological event, which we named the little sibling of the big rip. This event is much smoother than the big rip singularity. When the little sibling of the big…