Browsing Department of Physics by Title

EMU I-REP

Browsing Department of Physics by Title

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  • Quantization of Euclidean Black Holes via the Adiabatic Invariance Method 
    Uğural, Esen (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2016)
    In this thesis, we calculate the entropy of four different types of black holes and show that entropy and area of the considered black holes are equally likely quantized. The quantization of entropy/area of the black holes ...
  • Quantization of Higher Dimensional Linear Dilaton Black Hole Area/Entropy From Quasinormal Modes 
    Sakallı, İzzet (International Journal of Modern Physics A, World Scientific Publishing, 2013)
    The quantum spectra of area and entropy of higher dimensional linear dilaton black holes in various theories via the quasinormal modes method are studied. It is shown that quasinormal modes of these black holes can reveal ...
  • Quantization of rotating linear dilaton black holes 
    Sakallı, İzzet (European Physical Journal C, Springer, 2015)
    In this paper, we focus on the quantization of 4−dimensional rotating linear dilaton black hole (RLDBH) spacetime describing an action, which emerges in the Einstein-Maxwell-Dilaton-Axion (EMDA) theory. RLDBH spacetime has ...
  • Quantum Algorithms 
    Yılmaz, Figen (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2020)
    This thesis deals with Quantum Computing Algorithms. The most important Quantum Computing algorithms available in the literature have been summarized. After reviewing the foundations of Quantum Computing and the necessary ...
  • Quantum Particle in a PT-symmetric Well 
    Adamu, Suleiman Bashir (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-06)
    ABSTRACT: In this thesis, we study the role of boundary conditions via -symmetric quantum mechanics. Where denotes parity operator and denotes time reversal operator. We present the boundary conditions so that the -symmetry ...
  • Quantum particles trapped in a position-dependent mass barrier; a d-dimensional recipe 
    Mustafa, Omar; Mazharimousavi, Seyed Habib (Elsevier, 2006-10-23)
    We consider a free particle, V (r) = 0, with a position-dependent mass m(r) = 1/(1 + ς2r2)2 in the d-dimensional Schrödinger equation. The effective potential turns out to be a generalized Pöschl–Teller potential that ...
  • Quantum Probes of Timelike Naked Singularities in -Dimensional Power-Law Spacetimes 
    Gürtuğ, Özay; Mazharimousavi, S. Habib; Halilsoy, Mustafa (Advances in High Energy Physics, Hindawi Publishing Corporation, 2015)
    The formation of naked singularities in 2+1-dimensional power-law spacetimes in linear Einstein-Maxwell and Einstein-scalar theories sourced by azimuthally symmetric electric field and a self-interacting real scalar field, ...
  • Quantum probes of timelike naked singularities in the weak field regime of f(R) global monopole spacetime 
    Gürtuğ, Özay; Halilsoy, Mustafa; Mazharimousavi, S. Habib (Journal of High Energy Physics, Springer, 2014)
    The formation of a naked singularity in f(R) global monopole spacetime is considered in view of quantum mechanics. Quantum test fields obeying the Klein−Gordon, Dirac and Maxwell equations are used to probe the classical ...
  • Quantum singularities in (2+1) dimensional matter coupled black hole spacetimes 
    Ünver, Özlem; Gürtuğ, Özay (Physical Review D, American Physical Society (APS), 2010)
    Quantum singularities considered in the 3D BTZ spacetime by Pitelli and Letelier (Phys. Rev. D77: 124030, 2008) is extended to charged BTZ and 3D Einstein-Maxwell-dilaton gravity spacetimes. The occurence of naked singularities ...
  • Quantum Singularities in (2+1) Dimensional Matter Coupled Black Hole Spacetimes 
    Ünver, Özlem (Eastern Mediterranean University (EMU), 2012)
    ABSTRACT: Quantum singularities are considered in matter coupled 2+1 dimensional spacetimes in Einstein’s theory. The occurrence of naked singularities in the spacetimes both in linear and non-linear electrodynamics in ...
  • Quantum singularities in a model of f(R) Gravity 
    Tahamtan, Tayabeh; Gürtuğ, Özay (European Physical Journal C: Particles and Fields, Springer, 2012)
    The formation of a naked singularity in a model of f(R) gravity having as source a linear electromagnetic field is considered in view of quantum mechanics. Quantum test fields obeying the Klein-Gordon, Dirac and Maxwell ...
  • Quantum Tunneling and Hartman Effect 
    Övgün, Ali (Izmir Institute of Technology - İzmir Yüksek Teknoloji Enstitüsü, 2010)
    Thıs is my undergraduate thesis. So far I have worked on tunneling and its classi-cal, semi-classical and quantum description, then I looked some unsolved problems . Ihave learned about Hartman e ect , ...
  • Quantum tunneling of massive spin-1 particles from non-stationary metrics 
    Sakallı, İzzet; Övgün, Ali (General Relativity and Gravitation, Springer, 2015-11-15)
    We focus on the HR of massive vector (spin-1) particles tunneling from Schwarzschild BH expressed in the Kruskal–Szekeres and dynamic Lemaitre coordinates. Using the Proca equation together with the Hamilton–Jacobi and ...
  • A quasi-free position-dependent mass jump and self-scattering correspondence 
    Mustafa, Omar; Mazharimousavi, Habib S. (IOP Publishing, 2010-11)
    A quasi-free quantum particle endowed with a Heaviside position-dependent mass jump is observed to experience scattering effects manifested by its by-product introduction of the derivative of the Dirac delta point dipole ...
  • Quasinormal modes of charged dilaton black holes and their entropy spectra 
    Sakallı, İzzet (Modern Physics Letters A, World Scientific Publishing, 2013)
    In this study, we employ the scalar perturbations of the charged dilaton black hole (CDBH) found by Chan, Horne and Mann (CHM), and described with an action which emerges in the low-energy limit of the string theory. A ...
  • Radial power-law position-dependent mass: Cylindrical coordinates, separability and spectral signatures 
    Mustafa, Omar (IOP Publishing, 2011)
    We discuss the separability of the position-dependent-mass (PDM) Hamiltonian in cylindrical coordinates in the framework of a radial power-law PDM. We consider two particular radial mass settings: a harmonic oscillator ...
  • Radial Power-Law Position-dependent Mass, Cylindrical Coordinates, Spectral Signatures 
    Saty, Majeed J. Saleem (Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2015-01)
    ABSTRACT: By exploring the Position-dependent mass Von Roos Hamiltonian under cylindrical coordinates settings, we discuss the separation of variables of Schrödinger equation. Two radial masses of a coulomb-type and a ...
  • A Realizable Quantum Three-Pass Protocol Authentication Based on Hill-Cipher Algorithm 
    Abdullah, Alharith A.; Khalaf, Rifaat; Rıza, Mustafa (Hindawi Publishing Corporation, 2015)
    A realizable quantum three-pass protocol authentication based on Hill-cipher algorithm is presented by encoded and decoded plaintext using classical Hill-cipher algorithm. It is shown that the encoded message transferred ...
  • Real spectra for non-Hermitian Dirac equation in 1+1 dimensions with a most general coupling 
    Mustafa, Omar (Elsevier, 2009)
    The most general combination of couplings of fermions with external potentials in 1+1 dimensions, must include vector, scalar and pseudoscalar potentials. We consider such a mixing of potentials in a PT-symmetric ...
  • Reflection of electromagnetic waves from mixtures of plane gravitational and scalar waves 
    Gürtuğ, Özay; Halilsoy, Mustafa; Ünver, Özlem (Physical Review D,, 2006)
    We consider colliding wave packets consisting of hybrid mixtures of electromagnetic, gravitational and scalar waves. Irrespective of the scalar field, the electromagnetic wave still reflects from the gravitational wave. ...