activity
20232026
most citedJoule-Thomson expansion and Optical behaviour of Reissner-Nordström-Anti-de Sitter black holes in Rastall gravity surrounded by a Quintessence field

41 citations · 243 across the 30 of their papers we have counts for

collaborators

32 papers

gr-qc2026

Constraints on Scalar--Tensor--Vector Gravity Theory Parameters Inferred from Quasiperiodic Oscillations

Marco Muccino, Kuantay Boshkayev, Binay Prakash Akhouri +2

We study circular geodesics of neutral test particles in the static charged solution of Scalar--Tensor--Vector Gravity (STVG), and we use the twin kilohertz quasiperiodic oscillati…

gr-qc2026

Schwarzschild-like Black Holes Submerged in an Exponential Density Dark Matter Profile

Kuantay Boshkayev, Yassine Sekhmani, Soroush Zare +3

We study a class of Schwarzschild black holes embedded in an exponential-spheroidal dark matter halo, modelled by a phenomenological density profile . By solvi…

gr-qc2026

Corrected thermodynamics and radiation predictions of modified black bounce compact objects

Shokhzod Jumaniyozov, Javlon Rayimbaev, Yassine Sekhmani +3

We study the thermodynamic properties and radiation characteristics of a regular compact object obtained by applying the Simpson-Visser (SV) regularisation to the Schwarzschild mod…

gr-qc2025

Astrophysical Constraints on Charged Black Holes in Scalar--Tensor--Vector Gravity

Erdem Sucu, Kuantay Boshkayev, Yassine Sekhmani +2

We explore charged black holes in Scalar-Tensor-Vector Gravity (STVG), unveiling their distinctive features across multiple physical domains. Our topological analysis reveals that…

gr-qc2025★ 2 cited

Topological Signatures and Geometrothermodynamics of Critical Phenomena in Regularized Maxwell Black Holes

Y. Sekhmani, G. G. Luciano, S. K. Maurya +4

We study the thermodynamic topology and microscopic interaction properties of charged black holes in RegMax gravity, focusing on the role of the coupling parameter . Using the D…

gr-qc2025

Quasinormal Modes of Massive Scalar Perturbations in Slow-Rotation Bumblebee Black Holes with Traceless Conformal Electrodynamics

Yassine Sekhmani, Wentao Liu, Weike Deng +1

We study electrically charged, slowly rotating black hole solutions in Einstein-Bumblebee gravity coupled to the traceless (conformal) ModMax nonlinear electrodynamics. By adopting…

gr-qc2025

Observational constraints on f(Q,T) gravity from the mass-radius relation and stability of compact stars

S. K. Maurya, Abdul Aziz, Ksh. Newton Singh +3

In this investigation we examine the astrophysical consequences of the influence of pressure anisotropy on the physical properties of observed pulsars within the background of $f(Q…

gr-qc2025

Constraints on Kalb-Ramond Gravity from EHT Observations of Rotating Black Holes in Traceless Conformal Electrodynamics

Yassine Sekhmani, Kuantay Boshkayev, Mustapha Azreg-Aïnou +3

We present a phenomenological study of rotating, charged black holes in Einstein gravity coupled to a traceless (conformal) matter sector formed by ModMax nonlinear electrodynamics…

gr-qc2025

Dynamics of Interacting Murnaghan-Equation-of-State Fluids with Global Monopole and Nonlinear Power-Yang-Mills Hair in Critical-Dimension AdS Black Holes

Yassine Sekhmani, Sunil Kumar Maurya, Javlon Rayimbaev +4

We construct and analyze a novel family of exact higher-dimensional black hole solutions in Einstein-Power-Yang-Mills gravity minimally coupled to a scalar field multiplet supporti…

astro-ph.HE2025

Analytic and Numerical Constraints on QPOs in EHT and XRB Sources Using Quantum-Corrected Black Holes

Ahmad Al-Badawi, Faizuddin Ahmed, Orhan Donmez +4

This investigation examines QPOs in two quantum-corrected BH spacetimes that preserve general covariance while incorporating quantum gravitational effects through a dimensionless p…

gr-qc2025★ 1 cited

Exact Taub-NUT-like Black Holes in Einstein-bumblebee gravity: their thermodynamics and thermodynamic topology

Mustapha Azreg-Aïnou, Yassine Sekhmani

We re-derive an exact analytic three-parameter expressions for the non-rotating metric, describing a Taub-NUT-like black hole (BH), and its associated bumblebee field that are solu…

gr-qc2025★ 5 cited

Infrared Extended Uncertainty Principle Corrections and Quintessence-Induced Topology of Reissner-Nordström AdS Black Holes

Y. Sekhmani, G. G. Luciano, S. N. Gashti +1

We present a unified topological and geometric analysis of charged Anti-de Sitter (AdS) black holes immersed in a quintessence field, incorporating infrared gravitational correctio…

gr-qc2025★ 1 cited

Traversable Wormhole Solutions in massive gravity

Alexandre Landry, Yassine Sekhmani, Sunil K Maurya +2

We study traversable wormhole geometries in an teleparallel framework augmented by a perturbative de Rham-Gabadadze-Tolley (dRGT) graviton-mass term. Adopting the static, sp…

gr-qc2025

Kalb-Ramond Black Holes Sourced by ModMax Electrodynamics: Some Perturbative Properties in the Phantom Sector

Y. Sekhmani, A. Baruah, S. K. Maurya +4

We formulate and analyze a new class of electrically charged black hole (BH) solutions in Lorentz-violating gravity, where nonlinear ModMax electrodynamics is nonminimally coupled…

gr-qc2025★ 11 cited

Shadows aspect of rotating black holes in the Einstein-AdS SU(N)-nonlinear sigma model

Mohsen Fathi, Yassine Sekhmani

Recent observations of the supermassive black holes M87* and Sgr A* by the Event Horizon Telescope (EHT) have opened new avenues for testing gravity theories through black hole sha…

gr-qc2025★ 15 cited

Quasinormal Modes, Grebody Factors, and Hawking Radiation Sparsity of Black Holes Influenced by a Global Monopole Charge in Kalb-Ramond Gravity

Anshuman Baruah, Yassine Sekhmani, Sunil Kumar Maurya +2

Kalb-Ramond (KR) gravity is an intriguing model incorporating local Lorentz violation, and black hole (BH) solutions are known to exist. In this study, we investigate some crucial…

gr-qc2025★ 10 cited

Black holes immersed in polytropic scalar field gas

Y. Sekhmani, S. Zare, L. M. Nieto +2

By implementing the concept of polytropic structures as a scalar field gas with a dark energy-like behavior, we obtain a static spherically symmetric black hole solution in the fra…

gr-qc2024

Schwarzschild Black Hole in Galaxies Surrounded by a Dark Matter Halo

Ahmad Al-Badawi, Sanjar Shaymatov, Yassine Sekhmani

In this paper, we derive a novel Schwarzschild-like black hole (BH) solution describing a static and asymptotically flat BH surrounded by a dark matter (DM) halo with a Dehnen-type…

gr-qc2024★ 3 cited

The -dimensional charged AdS black holes solutions in polytropic dark energy from Barrow entropy

Yassine Sekhmani, Bidyut Hazarika, P. Phukon +3

This paper mainly aims to solve the Anti deSitter Black Holes (AdS BH) under the Barrow entropy under polytropic gas fluid, especially the Chaplygin Gas. First, we develop this las…

gr-qc2024★ 18 cited

Thermodynamic Topology of Kiselev-AdS Black Holes within f (R, T) gravity

Saeed Noori Gashti, Mohammad Ali S. Afshar, Mohammad Reza Alipour +3

In this paper, we investigate the topological charge and the conditions for the existence of the photon sphere (PS) in Kiselev-AdS black holes within \(f(R, T)\) gravity. We employ…

gr-qc2024

Thermodynamics of the Van der Waals black hole within nonextensive Kaniadiakis entropy

Adam Z. Kaczmarek, Yassine Sekhmani, Dominik Szczęśniak +1

In this work, we have studied the thermodynamic properties of the Van der Waals black hole in the framework of the nonextensive Kaniadakis entropy. We have shown that the black hol…

gr-qc2024★ 8 cited

Thermodynamic topology of Black Holes in -Euler-Heisenberg gravity's Rainbow

Yassine Sekhmani, Saeed Noori Gashti, Mohammad Ali S. Afshar +4

The topology of black hole thermodynamics is a fascinating area of study that explores the connections between thermodynamic properties and topological features of black holes. We…

gr-qc2024★ 10 cited

Four Black Holes Shadows

Yassine Sekhmani, Dhruba Jyoti Gogoi, Ratbay Myrzakulov +2

In this work, we examine the optical behaviors and thermodynamic phase structures using shadow analysis for four black holes. The study is conducte…

gr-qc2024★ 14 cited

Topological AdS black holes surrounded by Chaplygin dark fluid: from stability to geometrothermodynamic analysis

Y. Sekhmani, G. G. Luciano, J. Rayimbaev +3

Implementing the concept of Dark Fluid with a Chaplygin-like equation of state within General Relativity, we construct a new higher-dimensional, static, and spherically symmetric a…