362 citations · 8.3k across the 216 of their papers we have counts for
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Greybody Factors and Hawking Spectra of Quantum-Corrected Black Holes
Moslem Shafiee, Ahmad Sheykhi
We investigate Hawking radiation of a quantum-corrected Schwarzschild black hole with vacuum polarization and conformal anomaly effects. The corrected geometry has two horizons, a…
Entanglement islands and information recovery from near-extremal regular black holes
Ankit Anand, Kimet Jusufi, Amir A. Khodahami +1
We investigate the Page curve and information recovery in a near-extremal regular black hole inspired by T-duality, in which the central singularity is resolved by a minimal length…
Hawking radiation from a semi-classical Schwarzschild black hole
Moslem Shafiee, Ahmad Sheykhi
This study investigates the evaporation process of a Schwarzschild black hole, incorporating quantum corrections arising from conformal anomaly and vacuum polarization. We show tha…
Horizon Entropy Refined: Quantum Contributions and Cosmological Insights
Alireza Maleki, Ahmad Sheykhi
We study the effects of quantum fluctuations on the event horizon area and their implications for corrections to the Bekenstein-Hawking entropy. These quantum corrections are incor…
Nonextensive entropies impact onto thermodynamics and phase structure of Kerr-Newman black holes
S. Ghaffari, G. G. Luciano, A. Sheykhi
Taking the nonextensive Tsallis and Rényi entropies into account, we explore thermodynamic properties and phase transitions of the Kerr-Newman black holes (KNBH) in the microcanoni…
Black hole geometrothermodynamics and critical phenomena: a look from Tsallis entropy-based perspective
Giuseppe Gaetano Luciano, Ahmad Sheykhi
We analyze geometrothermodynamics of charged anti-de Sitter (AdS) black holes with a global monopole in the framework of Tsallis statistics. The latter arises from a non-additive g…
Towards high temperature holographic superconductors
Mahya Mohammadi, Ahmad Sheykhi
We explore a holographic superconductor model in which a real scalar field is non-minimally coupled to a gauge field. We consider several types of the non-minimal coupling function…
Non-minimal coupling Gauss-Bonnet holographic superconductors
Mahya Mohammadi, Ahmad Sheykhi
By employing the gauge/gravity duality, we disclose the effects of the non-minimal coupling between the scalar and Maxwell fields on the holographic superconductors in the probe li…
Gauss-Bonnet holographic superconductors in lower-dimensions
Mahya Mohammadi, Ahmad Sheykhi
We disclose the effect of Gauss-Bonnet gravity on the properties of holographic -wave and -wave superconductors with higher order corrections in lower-dimensional spacetime.…
Thermodynamic geometry and phase transition of spinning AdS black holes
Amin Dehyadegari, Ahmad Sheykhi
Employing the thermodynamic geometry approach, we explore phase transition of four dimensional spinning black holes in an anti-de Sitter (AdS) spaces and found the following novel…
Holographic paramagnetic-ferromagnetic phase transition of Power-Maxwell-Gauss-Bonnet black holes
B. Binaei Ghotbabadi, A. Sheykhi, G. H. Bordbar +1
Based on the shooting method, we numerically investigate the properties of holographic paramagnetism-ferromagnetism phase transition in the presence of higher order Gauss-Bonnet (\…
Lifshitz scaling effects on the holographic p-wave superconductors coupled to nonlinear electrodynamics
Mahya Mohammadi, Ahmad Sheykhi
We employ gauge/gravity duality to study the effects of Lifshitz scaling on the holographic wave superconductors in the presence of Born-Infeld (BI) nonlinear electrodynamics.…
Conductivity of the one-dimensional holographic p-wave superconductors in the presence of nonlinear electrodynamics
Mahya Mohammadi, Ahmad Sheykhi
We investigate analytically as well as numerically effects of nonlinear Born-Infeld (BI) electrodynamics on the properties of (1+1)-dimensional holographic -wave superconductor…
Conductivity of the holographic p-wave superconductors with higher order corrections
Mahya Mohammadi, Ahmad Sheykhi
We investigate the holographic -wave superconductors in the presence of the higher order corrections on the gravity as well as on the gauge field side. On the gravity side, we a…
Meissner-like effect and conductivity of power-Maxwell holographic superconductors
Doa Hashemi Asl, Ahmad Sheykhi
The full description of a superconductor requires that it has an infinite DC conductivity (or zero electrical resistivity) as well as expels the external magnetic fields. Thus, for…
Holographic paramagnetic-ferromagnetic phase transition with Power-Maxwell electrodynamics
Bahareh Binaei Ghotbabadi, Ahmad Sheykhi, Gholamhossein Bordbar
We explore the effects of Power-Maxwell nonlinear electrodynamics on the properties of holographic s-wave paramagnetic-ferromagnetic phase transition in the background of Schwarzch…
One-dimensional backreacting holographic p-wave superconductors
Mahya Mohammadi, Ahmad Sheykhi, Mahdi Kord Zangeneh
We analytically as well as numerically study the properties of one-dimensional holographic p- wave superconductors in the presence of backreaction. We employ the Sturm-Liouville ei…
Critical behaviour of Lifshitz dilaton black holes
Zeinab Dayyani, Ahmad Sheykhi
Till now, critical behaviour of Lifshitz black holes, in an extended space, has not been studied, because it is impossible to find an analytical equation of state, …
Analytical and numerical study of backreacting one-dimensional holographic superconductors in the presence of Born-Infeld electrodynamics
Mahya Mohammadi, Ahmad Sheykhi, Mahdi Kord Zangeneh
We analytically as well as numerically study the effects of Born-Infeld nonlinear electrodynamics on the properties of -dimensional s-wave holographic superconductors. We re…
Conductivity of higher dimensional holographic superconductors with nonlinear electrodynamics
Ahmad Sheykhi, Doa Hashemi Asl, Amin Dehyadegari
We investigate analytically as well as numerically the properties of s-wave holographic superconductors in -dimensional spacetime and in the presence of Logarithmic nonlinear el…
Holographic conductivity of holographic superconductors with higher order corrections
Ahmad Sheykhi, Afsoon Ghazanfari, Amin Dehyadegari
We analytically as well as numerically disclose the effects of the higher order correction terms in the gravity and in the gauge field on the properties of -wave holographic sup…
Microscopic Origin of Black Hole Reentrant Phase Transitions
M. Kord Zangeneh, A. Dehyadegari, A. Sheykhi +1
Understanding the microscopic behavior of the black holes ingredients has been one of the important challenges in black holes physics during the past decades. In order to shed some…
Novel phase transition in charged dilaton black holes
Amin Dehyadegari, Ahmad Sheykhi, Afshin Montakhab
We disclose a novel phase transition in black hole physics by investigating thermodynamics of charged dilaton black holes in an extended phase space where the charge of the black h…
Charged scalar quasi-normal modes for linearly charged dilaton-Lifshitz solutions
M. Kord Zangeneh, B. Wang, A. Sheykhi +1
Most available studies of quasi-normal modes for Lifshitz black solutions are limited to the neutral scalar perturbations. In this paper, we investigate the wave dynamics of massiv…