Browsing Department of Physics by Title

EMU I-REP

Browsing Department of Physics by Title

Sort by: Order: Results:

  • Existence of Reissner-Nordstrom type black holes in f(R) gravity 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa; Kerachian, Morteza (International Journal of Modern Physics D, World Scientific Publishing, 2013)
    We investigate the existence of Reissner-Nordstr\"om (RN) type black holes in f(R) gravity. Our emphasis is to derive, in the presence of electrostatic source, the necessary conditions which provide such static, spherically ...
  • Existence of traversable wormholes in the spherical stellar systems 
    Övgün, Ali; Halilsoy, Mustafa (Springer, 2016-05-27)
    Potentiality of the presence of traversable wormholes in the outer/inner regions of the halos of galaxies, situated on the Navarro-Frenk-White (NFW) density profile and Universal Rotation Curve (URC) dark matter models ...
  • Fading Hawking Radiation 
    Sakallı, İzzet; Halilsoy, Mustafa; Paşaoğlu, Hale (Astrophysics and Space Science, Springer, 2012)
    In this study, we explore a particular type Hawking radiation which ends with zero temperature and entropy. The appropriate black holes for this purpose are the linear dilaton black holes. In addition to the black hole ...
  • First-Order Intertwining Operators with Position Dependent Mass and η-Weak-Pseudo-Hermiticity Generators 
    Mustafa, Omar; Mazharimousavi, Seyed Habib (SPRINGER/PLENUM PUBLISHERS, 2008-02)
    A Hermitian and an anti-Hermitian first-order intertwining operators are introduced and a class of η-weak-pseudo-Hermitian position-dependent mass (PDM) Hamiltonians are constructed. A corresponding reference-target ...
  • Flare-out conditions in static thin-shell wormholes 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (Physical Review D, American Physical Society (APS), 2014)
    We reconsider the generalized flare-out conditions in static wormhole throats given by Hochberg and Visser. We show that due to the presence of matter sources on the throat, these conditions are not applicable to the ...
  • Flatland Position-Dependent-Mass: Polar Coordinates, Separability and Exact Solvability 
    Mustafa, Omar; Mazharimousavi, Habib S. (Natl Acad Sci Ukraine, 2010)
    The kinetic energy operator with position-dependent-mass in plane polar coordinates is obtained. The separability of the corresponding Schrodinger equation is discussed. A hypothetical toy model is reported and two exactly ...
  • Generating Static Spherically Symmetric Black-holes in Lovelock Gravity 
    Mazharimousavi, S. Habib; Gürtuğ, Özay; Halilsoy, Mustafa (International Journal of Modern Physics D, World Scientific Publishing, 2009)
    Generalization of a known theorem to generate static, spherically symmetric black-hole solutions in higher dimensional Lovelock gravity is presented. Particular limits, such as Gauss-Bonnet (GB) and/or Einstein-Hilbert ...
  • Generic Spherically Symmetric Thin-shells in General Relativity 
    Benghrian, Asma Ali Abdulsalam (Eastern Mediterranean University EMU, 2017-07)
    We give a full investigation and assessment on the general spherically symmetric time-like thin shells in general relativity. In this main stream, we give the details of the Israel junction conditions which are used for ...
  • Geodesics of Black Holes in Bumblebee Gravity Theory 
    Karyal, Hüseyin (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2020)
    In this thesis, our main purpose is to study the geodesics of bumblebee black hole (BBH) in 4-dimension (4D), which is an exact solutions to the bumblebee gravity theory. The motions of photon and massive particles are ...
  • Geodesics of Linear Dilaton Black Holes 
    Hamo, Alan Hameed Hussein (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-08)
    In this thesis, we investigate the geodesics of the 4-dimensional (4D) linear dilaton black hole (LDBH), which is an exact solution to the Einstein-Maxwell-Dilaton (EMD) theory. These spacetimes have non-asymptotically ...
  • Geodesics on Cosmic Landscapes of Colliding Plane Waves 
    Sharon, Jo-Kim Dauda Tok (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2015-02)
    ABSTRACT: On a Cosmic Landscape, the metric structure vested with two orthogonal space-like Killing vectors; a class of solutions of the Einstein-Maxwell’s field equations, is spotlighted from the global structural viewpoints ...
  • Gravitational lensing 
    Parsa, Marzieh (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2013-07)
    ABSTRACT: In this thesis we study one of the most interesting aspects of the Einstein’s theory of gravity which can be examined practically by astronomers. In this natural phenomena, when a beam of light passes nearby a ...
  • Gravitational Lensing Effect on the Hawking Radiation of Dyonic Black Holes 
    Sakllı, İzzet; Övgün, Ali; Mirekhtiary, S.F. (World Scientific Publishing, 2014-06-24)
    In this paper, we analyze the Hawking radiation (HR) of a non-asymptotically flat (NAF) dyonic black hole (dBH) in four-dimensional (4D) Einstein–Maxwell–Dilaton (EMD) gravity by using one of the semiclassical approaches ...
  • Gravitinos tunneling from traversable Lorentzian wormholes 
    Sakalli, İzzet; Övgün, Ali (Astrophysics and Space Science, Springer, 2015-08-19)
    Recent research shows that Hawking radiation (HR) is also possible around the trapping horizon of a wormhole. In this article, we show that the HR of gravitino (spin-3/2 ) particles from the traversable Lorentzian wormholes ...
  • Greybody Factors of 2+1 Dimensional Charged Black Hole With Dilaton Field 
    Talib, Shakhawan Rafiq Hama (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2016-02)
    In this thesis, we analytically study the scalar perturbation of non-asymptotically flat 2+1 dimensional charged dilaton black holes. In particular, we show that radial wave equation is solved in terms of the hypergeometric ...
  • Ground State H-Atom in Born-Infeld Theory 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (Foundations of Physics, Springer, 2012)
    Within the context of Born-Infeld (BI) nonlinear electrodynamics (NED) we revisit the non-relativistic, spinless H-atom. The pair potential computed from the Born-Infeld equations is approximated by the Morse type potential ...
  • GUP Assisted Hawking Radiation of Rotating Acoustic Black Holes 
    Sakallı, İzzet; Övgün, Ali; Kimet, Jusufi (Springer, 2016-09-13)
    Recent studies (Steinhauer in Nat. Phys. 10:864, 2014, Phys. Rev. D 92:024043, 2015) provide compelling evidences that Hawking radiation could be experimentally proven by using an analogue black hole. In this paper, taking ...
  • Hawking Radiation of Grumiller Black Hole 
    Mirekhtiary, Seyedeh Fatemeh; Sakallı, İzzet (Communications in Theoretical Physics, Institute of Physics (IOP) Publishing, 2014)
    In this paper, we consider the relativistic Hamilton-Jacobi (HJ) equation and study the Hawking radiation (HR) of scalar particles from uncharged Grumiller black hole (GBH) which is affordable for testing in astrophysics. ...
  • Hawking Radiation of Linear Dilaton Black Holes in Various Theories 
    Paşaoğlu, Hale; Sakallı, İzzet (International Journal of Theoretical Physics, Springer, 2009)
    Using the Damour-Ruffini-Sannan, the Parikh-Wilczek and the thin film brick-wall models, we investigate the Hawking radiation of uncharged massive particles from 4-dimensional linear dilaton black holes, which are the ...
  • Hawking Radiation of Mass Generating Particles From Dyonic Reissner Nordström Black Hole 
    Sakallı, İzzet; Övgün, Ali (Springer, 2016-08-20)
    The Hawking radiation is considered as a quantum tunneling process, which can be studied in the framework of the Hamilton–Jacobi method. In this study, we present the wave equation for a mass generating massive and charged ...