141 citations · 225 across the 27 of their papers we have counts for
28 papers
On the Classical, Penrose, and Reverse Isoperimetric Inequalities in Black Holes: Insights From AdS to Flat Riemannian Backgrounds
Robert B. Mann, Behnam Pourhassan, Ali Dehghani
A collection of evidence is presented showing that the conjectured reverse isoperimetric inequality (RII) for asymptotically anti-de Sitter (AdS) as well as de Sitter (dS) black ho…
Quantum-corrected thermodynamics of Schwarzschild AdS black holes in conformal Killing gravity
Saheb Soroushfar, Sayyed Mehrab Ramezani, Hoda Farahani +3
We study Schwarzschild--AdS black holes in conformal Killing gravity with non-perturbative entropy corrections within the extended phase-space formalism. By deriving the quantum-co…
Thermodynamics, topology and non-Abelian instability of the five-dimensional Einstein--Yang--Mills black hole with exponential entropy correction
Aram Bahroz Brzo, Peshwaz Abdulkareem Abdoul, Behnam Pourhassan +1
The five-dimensional Einstein--Yang--Mills black hole obtained from the higher-dimensional Wu--Yang ansatz carries a logarithmic non-Abelian contribution to the metric function, ma…
Quantum-Corrected Black Holes in Higher Dimensions: From Gravitational Collapse to Remnants, WGC-Like Behavior and Accretion Signatures
Saeed Noori Gashti, Umair Anwar, Abdul Jawad +4
We study the gravitational collapse of a homogeneous dust sphere in higher-dimensional spacetime, with the loop quantum gravity correction entered through a modified Friedmann equa…
Rényi Entropy and the Topological Features of Charged AdS Black Hole
Muhammad Yasir, Tong Lining, Farzan Mushtaq +4
This study applies Duan's topological current -mapping theory to investigate a newly proposed charged modified AdS black hole using the Rényi entropy formalism, examining its th…
Gravitational Wave Signatures of Periodic Orbits around a Schwarzschild-like Black Holes Submerged in an Exponential Density Dark Matter Profile
Mohammad Reza Alipour, Saeed Noori Gashti, Mohammad Ali S. Afshar +1
We study a Schwarzschild-like black hole embedded in an exponential-sphere (ESM) dark matter halo, characterized by a halo mass and a scale radius . We first show that t…
Periodic Orbits and Gravitational Wave Signatures around the Bonanno--Reuter Regular Black Hole
Mohammad Reza Alipour, Mohammad Ali S. Afshar, Saeed Noori Gashti +2
Timelike geodesics, periodic orbits, and their associated gravitational-wave signatures are examined in the spacetime of a Bonanno--Reuter regular black hole, a geometry arising fr…
Systematic Light Propagation Bias from the Heliosphere and Its Impact on the Hubble Tension
Behnam Pourhassan, İzzet Sakallı, Sudhaker Upadhyay +1
The Hubble tension (HT) represents one of the most significant discrepancies in modern cosmology, with local distance measurements yielding km/s/Mpc while cosm…
CFT Constraints on the Weak Gravity Conjecture
Saeed Noori Gashti, Behnam Pourhassan, İzzet Sakallı
The Weak Gravity Conjecture (WGC) is a swampland criterion of long standing: any consistent theory of quantum gravity must contain a charged particle whose charge-to-mass ratio exc…
Holographic CFT Thermodynamics as a Bridge Between the Weak Gravity and Weak Cosmic Censorship Conjectures for EMPYM--AdS Black Holes
Saeed Noori Gashti, Behnam Pourhassan, Izzet Sakalli +1
The weak cosmic censorship conjecture (\WCCC) and the weak gravity conjecture (\WGC) sit at the heart of how singularities and charged matter are constrained in any consistent theo…
Holographic Thermodynamic Signatures of Simpson--Visser--AdS Black Holes
Saeed Noori Gashti, Behnam Pourhassan, Izzet Sakalli
We study a Simpson--Visser regularization of the four-dimensional Schwarzschild--anti--de\,Sitter (SV--AdS) black hole, treated as the bulk dual of a planar conformal field theory…
Testing the Weak Gravity Conjecture via Gravitational Lensing, Black Hole Shadows, and Barrow Thermodynamics in F(R)-Euler-Heisenberg (A)dS Black Holes
Saeed Noori Gashti, Izzet Sakalli, Erdem Sucu +5
We investigate the interplay of the Weak Gravity Conjecture (WGC) and the Weak Cosmic Censorship Conjecture (WCCC) in -Euler-Heisenberg black holes in Anti-de Sitter and de S…
Beyond Extremality: Weak Gravity Conjecture Constraints on Gravitational Lensing in Gravity's Rainbow
Saeed Noori Gashti, Behnam Pourhassan, Izzet Sakallı
We investigate the constraints imposed by the Weak Gravity Conjecture (WGC) on gravitational lensing in gravity's rainbow, focusing in particular on scenarios beyond extremality an…
Spherically Symmetric Quantum-Corrected Black Holes with String Clouds: A Multi-Observable Analysis
Faizuddin Ahmed, Ahmad Al-Badaw, Orhan Donmez +4
We present an investigation of quantum-corrected black hole spacetimes coupled with clouds of strings, examining two distinct theoretical models that incorporate quantum gravitatio…
Swampland Conjectures through ACT Observations: Observational Signatures of Radiative-Corrected Inflation
Mohammad Ali S Afshar, Saeed Noori Gashti, Mohammad Reza Alipour +3
We investigate the consistency of radiatively corrected inflationary models with both the latest observational data from the Atacama Cosmology Telescope (ACT) combined with Planck…
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…
Thermodynamics and Joule-Thomson Expansion for Schwarzschild-AdS Black Holes with Cloud of Strings and Quintessential-like Fluid
Faizuddin Ahmed, Saeed Noori Gashti, Behnam Pourhassan +1
In this study, we explore the thermodynamic properties of a Schwarzschild black hole (BH) embedded in an anti-de Sitter (AdS) background, which is further coupled with a cloud of s…
Schwarzschild-AdS Black Holes with Cloud of Strings and Quintessence: Geodesics, Thermodynamic Topology, and Quasinormal Modes
Faizuddin Ahmed, Saeed Noori Gashti, Abdelmalek Bouzenada +1
In this study, we explore a Schwarzschild-anti de-Sitter black hole (BH) coupled with a cloud of strings (CoS) possessing both electric- and magnetic-like components of the string…
Probing the Weak Gravity Conjecture: Novel Aschenbach Signatures in Superextremal Non-Linear Charged AdS Black Holes
Mohammad Reza Alipour, Mohammad Ali S Afshar, Saeed Noori Gashti +2
This study investigates the nonlinear charged Anti-de Sitter (AdS) black hole solution within the framework of massive gravity, motivated by recent advancements linking the Weak Gr…
Cosmic-Quantum Connections: Assessing the Viability of Weak Gravity and Weak Cosmic Censorship Conjectures in Kerr-Newman-Kiselev-Letelier Black Hole
Saeed Noori Gashti, Behnam Pourhassan
This paper addresses a potential validation of the weak gravity conjecture (WGC) with the weak cosmic censorship conjecture (WCCC), as a significant challenge in quantum gravity. W…
Non-Linear Dynamics and Critical Phenomena in the Aretakis Instability of Extremal Black p-Branes
Behnam Pourhassan
We present the first comprehensive investigation of the non-linear evolution of the Aretakis instability in extremal black -branes. Building on recent insights into the linear b…
Assessing WGC Compatibility in ModMax Black Holes via Photon Spheres Analysis and WCCC Validation
Saeed Noori Gashti, Mohammad Ali S. Afshar, Mohammad Reza Alipour +3
It seems that the regime of Hawking radiation and evaporation ultimately drives charged black holes toward super-extremality of the charge parameter and the dominance of extremal c…
Reconciling the Weak Gravity and Weak Cosmic Censorship Conjectures in Einstein-Euler-Heisenberg-AdS Black Holes
Mohammad Reza Alipour, Saeed Noori Gashti, Behnam Pourhassan +1
The potential conflict between the Weak Gravity Conjecture (WGC) and the Weak Cosmic Censorship Conjecture (WCCC) poses a significant challenge in general relativity. The WCCC serv…
Thermodynamic Topology and Phase Space Analysis of AdS Black Holes Through Non-Extensive Entropy Perspectives
Saeed Noori Gashti, Behnam Pourhassan, Izzet Sakalli
This paper studies the thermodynamic topology through the bulk-boundary and restricted phase space (RPS) frameworks. In bulk-boundary framework, we observe two topological charges…