93 citations · 536 across the 39 of their papers we have counts for
42 papers
Quasinormal-mode redshifts of black holes in galactic halos with radial pressures
Che-Yu Chen, Hassan Hassanabadi, Soroush Zare
We investigate the black-hole quasinormal mode redshifts induced by a galactic dark-matter halo with nonvanishing radial pressure. The halo is described by an anisotropic fluid wit…
Black holes in depleted Dehnen dark matter halos with physical inner edges and strong-field observables
Hassan Hassanabadi, Soroush Zare
We construct a static and spherically symmetric black hole (BH) spacetime surrounded by a depleted Dehnen dark matter (DM) halo. The model describes a final equilibrium configurati…
Imprints of core/cusp dark matter distributions on black hole signatures in galaxies
Hassan Hassanabadi, Che-Yu Chen, Soroush Zare +1
In galactic environments, a host dark matter (DM) halo can imprint weak but coherent corrections on black hole (BH) strong-field observables. We construct an exact family of static…
Phase-space structure and nonlinear dynamics of a charged particle on a helicoidal manifold under a magnetic field
Abdullah Guvendi, Hassan Hassanabadi, Semra Gurtas Dogan +1
We analyze the classical dynamics of a charged particle constrained to a helicoidally embedded Riemannian manifold in under a uniform magnetic field in the ambient s…
Probing regular black holes with sub-Planckian curvature through periodic orbits and their gravitational wave radiation
Soroush Zare, Tao Zhu, Luis M. Nieto +2
Extreme mass-ratio inspirals (EMRIs) are among the key targets for future space-based gravitational wave detectors. The gravitational waveforms emitted by EMRIs are highly sensitiv…
Charged particle dynamics in singular spacetimes: hydrogenic mapping and curvature-corrected thermodynamics
Abdullah Guvendi, Semra Gurtas Dogan, Omar Mustafa +1
We analyze the dynamics of charged test particles in a singular, horizonless spacetime arising as the massless limit of a charged wormhole in the Einstein--Maxwell--Scalar (EMS) fr…
Two types of -Gaussian distributions used to study the diffusion in a finite region
Won Sang Chung, L. M. Nieto, Soroush Zare +1
In this work, we explore both the ordinary -Gaussian distribution and a new one defined here, determining both their mean and variance, and we use them to construct solutions of…
A new time-dependent quantum theory based on Tsallis' distribution
Won Sang Chung, Georg Junker, Luis M. Nieto +1
In this paper, inspired by Tsallis' probability distribution based on a -deformed Boltzmann factor, we stipulate a new -deformed quantum dynamics by applying the inverse Wick…
Shadows, rings and optical appearance of a magnetically charged regular black hole illuminated by various accretion disks
Soroush Zare, Luis M. Nieto, Xing-Hui Feng +2
The Event Horizon Telescope (EHT) imaging of the supermassive black holes at the centers of Messier 87 galaxy and the Milky Way galaxy marks a significant step in observing the pho…
An algebraic approach to gravitational quantum mechanics
Won Sang Chung, Georg Junker, Hassan Hassanabadi
Most approaches towards a quantum theory of gravitation indicate the existence of a minimal length scale of the order of the Planck length. Quantum mechanical models incorporating…
Modified Kerr black holes surrounded by dark matter spike
Salvatore Capozziello, Soroush Zare, Luis M. Nieto +1
We study supermassive black holes (SMBH), surrounded by a dark matter (DM) spike, that can be found at the centers of Milky Way and galaxies and are accompanied by a s…
Behavior of the Feshbach-Villars oscillator (FVO) in Gürses space-time under Coulomb-type potential
Abdelmalek Bouzenada, Abdelmalek Boumali, Omar Mustafa +1
Our research aims to investigate how the gravitational field influences the spectroscopic structure of the Feshbach-Villars oscillator in Gürses space-time. To achieve this, we uti…
Quantum mechanics on a circle with a finite number of α-uniformly distributed points
Won Sang Chung, Ilyas Haouam, Hassan Hassanabadi
In this paper, quantum mechanics on a circle with finite number of α-uniformly distributed points is discussed. The angle operator and translation operator are defined. Using discr…
The Dunkl oscillator on a space of nonconstant curvature: an exactly solvable quantum model with reflections
Angel Ballesteros, Amene Najafizade, Hossein Panahi +2
We introduce the Dunkl-Darboux III oscillator Hamiltonian in N dimensions, defined as a deformation of the N-dimensional Dunkl oscillator. This deformation can be interpreted e…
Lorentz violation in a family of -dimensional wormhole
Soroush Zare, Marc de Montigny, Hao Chen +1
We study neutral Dirac particles confined to a family of -dimensional wormholes arising from surfaces of revolution with a constant negative Gaussian curvature, in the frame…
Superintegrability on the Dunkl oscillator model in three-Dimensional spaces of constant curvature
Shi-Hai Dong, Amene Najafizade, Hossein Panahi +2
This paper has studied the three-dimensional Dunkl oscillator models in a generalization of superintegrable Euclidean Hamiltonian systems to curved ones. These models are defined b…
DKP oscillator in the presence of a spinning cosmic string
Yi Yang, Hassan Hassanabadi, Hao Chen +1
We investigate the modification of gravitational fields generated by topological defects on a generalized Duffin-Kemmer-Petiau (DKP) oscillator for spin-0 particle under spinning c…
Resolution of the spin paradox in the Nilsson model
Hadi Sobhani, Hassan Hassanabadi, Dennis Bonatsos
In the well-known Nilsson diagrams, depicting the dependence of the nuclear single-particle energy levels on quadrupole deformation, a spin paradox appears {as the deformation sets…
Hawking temperature of black holes using the EUP and EGUP formalisms based on the Einstein-Bohr's photon box
N. Farahani, H. Hassanabadi, W. S. Chung +2
In this paper, by studying the Einstein-Bohr's photon box for weighting a photon, we find that the effective Newton constant can be proposed by the extended uncertainty principle a…
Investigation of Unruh temperature of Black holes by using of EGUP formalism
Hassan Hassanabadi, Nasrin Farahani, Won Sang Chung +1
In this paper, we have used the extended generalized uncertainty principle to investigate the Unruh temperature and thermodynamic properties of a black hole. We started with a brie…
Shell model structure of proxy-SU(3) pairs of orbitals
Dennis Bonatsos, Hadi Sobhani, Hassan Hassanabadi
The Nilsson orbitals used in the substitutions occurring in the proxy-SU(3) scheme, which are the orbitals bearing the maximum value of total angular momentum in each shell, have a…
The Dirac oscillator in a spinning cosmic string spacetime
Mansoureh Hosseinpour, Hassan Hassanabadi, Marc de Montigny
We examine the effects of gravitational fields produced by topological defects on a Dirac field and a Dirac oscillator in a spinning cosmic string spacetime. We obtain the eigenfun…
Spin-zero system of DKP equation in the background of a flat class of Gödel-type space-time
Faizuddin Ahmed, Hassan Hassanabadi
In this paper, we investigate the Duffin-Kemmer-Petiau (DKP) equation for spin-zero system of charge-free particles in the background of a flat class of Gödel-type space-times, and…
Analysis of black hole thermodynamics under Generalized uncertainty principle from the doubly special relativity
E. Maghsoodi, H. Hassanabadi, Won Sang Chungb
In this paper, we investigate effect of the generalized uncertainty principle (GUP) under the doubly special relativity (DSR) on the thermodynamics properties of the topological ch…