Sara Kanzi

Sara Kanzi
Eastern Mediterranean University · Department of Physics

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24
Publications
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114
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Introduction

Publications

Publications (24)
Preprint
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We give a pedagogical introduction to black holes (BHs) greybody factors (GFs) and quasinormal modes (QNMs) and share the recent developments on those subjects. In this study, our primary focus will be on the bosonic and fermionic GFs and QNMs of various BH and brane geometries and reveal the fingerprints of the invisibles with the radiation spectr...
Article
Full-text available
We give a pedagogical introduction to black holes (BHs) greybody factors (GFs) and quasinormal modes (QNMs) and share the recent developments on those subjects. To this end, we present some particular analytical and approximation techniques for the computations of the GFs and QNMs. We first review the gravitational GFs and show how they are analyti...
Preprint
Full-text available
The paper studies the spinorial wave equations, namely the Dirac and the Klein Gordon equations, as well as the greybody radiations and quasinormal modes (QNMs) of the charged Taub NUT black hole (CTNBH). To obtain fermionic greybody factors (GFs) and QNMs, we study the charged fermions by employing the Dirac equation. To this end, we use a null te...
Preprint
In our recent study Ref. [1]: Eur. Phys. J. C 81, 501 (2021) , the main goal was to reveal the Lorentz symmetry breaking (LSB) effect in the rotating black holes via the greybody factor and quasinormal mode analyzes. Ding et al. [2] Kerr-like black hole solution of the bumblebee gravity model used in our paper [1] has unquestionably proven by Maluf...
Article
In this paper, we consider two brane-world black holes whose solutions are obtained via a confining potential and study their thermodynamical properties. The modified entropies by taking account of the generalized uncertainty principle (GUP) are obtained. We also determine the scalar effective potentials in order to compute the greybody factors of...
Preprint
Full-text available
In this paper, we consider two brane-world black holes whose solutions are obtained via a confining potential and study their thermodynamical properties. The modified entropies by taking account of the generalized uncertainty principle (GUP) are obtained. We also derive the effective potentials of the scalar particles and compute the greybody facto...
Article
Full-text available
In this paper, we study the GUP (Generalized Uncertainty Principle) modified Hawking radiation of rotating polytropic black hole given in the Boyer-Lindquist coordinates. To this end, the GUP modified Klein-Gordon equation is applied for investigating the quantum tunneling of scalar particles from the polytropic black hole. After reducing the obtai...
Preprint
Full-text available
We consider the spinorial wave equations, namely the Dirac and the Klein-Gordon equations, and greybody radiation in the NUT black hole spacetime. To this end, we first study the Dirac equation in NUT spacetime by using a null tetrad in the Newman-Penrose (NP) formalism. Next, we separate the Dirac equation into radial and angular sets. The angular...
Article
Full-text available
We consider the spinorial wave equations, namely the Dirac and the Klein-Gordon equations, and greybody radiation in the NUT black hole spacetime. To this end, we first study the Dirac equation in NUT spacetime by using a null tetrad in the Newman-Penrose (NP) formalism. Next, we separate the Dirac equation into radial and angular sets. The angular...
Preprint
In this paper, we study the GUP (Generalized Uncertainty Principle) modified Hawking radiation of rotating polytropic black hole given in the Boyer-Lindquist coordinates. To this end, the GUP modified Klein-Gordon equation is applied for investigating the quantum tunneling of scalar particles from the polytropic black hole. After reducing the obtai...
Article
Full-text available
In the framework of the Lorentz symmetry breaking (LSB), we investigate the quasinormal modes (QNMs) and the greybody factors (GFs) of the Kerr-like black hole spacetime obtained from the bumblebee gravity model. In particular, we analyze the scalar and fermionic perturbations of the black hole within the framework of both semi-analytic WKB method...
Preprint
Full-text available
In the framework of the Lorentz symmetry breaking (LSB), we investigate the quasinormal modes (QNMs) and the greybody factors (GFs) of the Kerr-like black hole spacetime obtained from the bumblebee gravity model. In particular, we analyze the scalar and fermionic perturbations of the black hole within the framework of both semi-analytic WKB method...
Article
Full-text available
In the context of the dRGT massive gravity coupled with nonlinear electrodynamics, we present new dRGT black hole solutions. Together with the thermodynamical properties of the solutions, we study the greybody factor of the corresponding black hole solution. To this end, we compute the rigorous bound on the greybody factor for the obtained dRGT bla...
Preprint
Full-text available
In the context of the dRGT massive gravity coupled with nonlinear electrodynamics, we present new dRGT black hole solutions. Together with the thermodynamical properties of the solutions, we study the greybody factor of the corresponding black hole solution. To this end, we compute the rigorous bound on the greybody factor for the obtained dRGT bla...
Article
Full-text available
We study the timelike geodesics and the greybody radiation of the Schwarzschild black hole surrounded by quintessence field. Quintessence field is one of the highly plausible models for the dark energy. The effective potential along with the structure of the possible orbits for test particles in view of the various values of quintessence parameter...
Article
Full-text available
The effect of Lorentz symmetry breaking (LSB) on the Hawking radiation of Schwarzschild-like black hole found in the bumblebee gravity model (SBHBGM) is studied in the framework of quantum gravity. To this end, we consider Hawking radiation spin-0 (bosons) and spin-1 2 particles (fermions), which go in and out through the event horizon of the SBHBG...
Preprint
Full-text available
The exact solutions of the Dirac equation that describe a massive, non-charged particle with spin-(1/2) in the curved spacetime geometry of regular Bardeen black hole surrounded by quintessence (BBHSQ) are investigated. We first derive the Dirac equation in the BBHSQ background using a null tetrad in the Newman-Penrose formalism. Afterward, we sepa...
Preprint
The effect of Lorentz symmetry breaking (LSB) on the emissions of Schwarzschild-like black holes found in the bumblebee gravity theory (SBHBGT) is studied in the framework of quantum gravity. To this end, we consider Hawking radiation spin-0 (bosons) and spin-$\frac{1}{2}$ particles (fermions), which go in and out through the event horizon of the S...
Preprint
Full-text available
The effect of Lorentz symmetry breaking (LSB) on the emissions of Schwarzschild-like black holes found in the bumblebee gravity theory (SBHBGT) is studied in the framework of quantum gravity. To this end, we consider Hawking radiation spin-0 (bosons) and spin-1 2 particles (fermions), which go in and out through the event horizon of the SBHBGT. We...
Article
In this paper, we investigate perihelion precession in the solar system, which is one of the most interesting aspects of astrophysics including both aspects of General Relativity and classical mechanics. The phenomenon, where the perihelion of the elliptical orbital path of a planet seems to rotate around a central body (the Sun in this case), is r...
Chapter
Full-text available
Direct measurement of variables in classic mechanics is not applicable to whole of real-deterministic areas like non-linear functions of quantum mechanics; and corporation of beneficent methods like fuzzy logic can predict the behavior of particles in the fields that, there is not much access for experience of all possible states in physics. Thus,...

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Project
1-Sharing & recommending publications. 2-Connecting with colleagues. 3-Seeking new collaborations. 4-Obtaining statistics and metrics on use of uploaded publications. 5-Asking questions of researchers around the world that have the same set of interests. 6-Job seeking or recruitment. 7- Journal Invitations (Editorial Board, Reviewer) 8- Call for papers 9- International Conferences