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Browsing PHY – Journal Articles: Publisher & Author Versions (Post-Print Author Versions) – Physics by Title

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  • Absorption cross-section and decay rate of rotating linear dilaton black holes 
    Sakalli, Izzet; Aslan, Onur Atilla (Astroparticle Physics, Elsevier, 2016)
    We analytically study the scalar perturbation of non-asymptotically flat (NAF) rotating linear dilaton black holes (RLDBHs) in 4-dimensions. We show that both radial and angular wave equations can be solved in terms of the ...
  • Anharmonic oscillators energies via artificial perturbation method 
    Mustafa, Omar; Odeh, Maen (Springer-Verlag, 2000)
    A new pseudoperturbative (artificial in nature) methodical proposal [15] is used to solve for Schrodinger equation with a class of phenomenologically useful and methodically challenging anharmonice oscillator potentials ...
  • Application of Pseudo-Hermitian Quantum Mechanics to a PT-Symmetric Hamiltonian with a Continuum of Scattering States 
    Mostafazadeh, Ali; Mustafa, Omar (American Institute of Physics, 2005)
    We extend the application of the techniques developed within the framework of the pseudo-Hermitian quantum mechanics to study a unitary quantum system described by an imaginary PT-symmetric potential v(x) having a continuous ...
  • Approach to the shifted 1/N expansion for the Klein - Gordon equation 
    Mustafa, Omar; Sever, Ramazan (American Physical Society (APS), 1991)
    A different approach to the shifted 1/N expansion technique is developed to deal with the Klein-Cxordon particle trapped in a spherically symmetric potential. Properly modifying the definition of the perturbative expansion ...
  • Asymptotic solvability of an imaginary cubic oscillator with spikes 
    Znojil, Miloslav; Gemperle, Frantisek; Mustafa, Omar (IOP Publishing, 2002)
    For complex potentials V(x) = -(ix)(3) -beta(2)(ix)(-2) - 2betadelta(ix)(1/2) which are PT symmetric, we show that in beta much greater than 1 strong coupling regime the low-lying bound states almost coincide with harmonic ...
  • Auxiliary Quantization Constraints On The Von Roos Ordering-Amiguity At Zero Binding Energies; Azimuthally Symmetrixed Cylindrical Coordinates 
    Mustafa, Omar (World Scientific Publishing Company, 2013)
    Using azimuthally symmetrized cylindrical coordinates, we report the consequences of zero-energy quantal states on the von Roos Hamiltonian. A position-dependent mass (PDM) M(rho, phi, z) = bz(j)rho(2 upsilon+1)/2 is used. ...
  • Black hole and thin-shell wormhole solutions in Einstein-Hoffman-Born-Infeld theory 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa; Amirabi, Zahra (Physics Letters A, Elsevier, 2009)
    We employ an old field theory model, formulated and discussed by Born, Infeld, Hoffman and Rosen during 1930s. Our method of cutting-gluing of spacetimes resolves the double-valuedness in the displacement vector D(E), ...
  • Black hole radiation of massive spin-2 particles in (3+1) dimensions 
    Sakallı, İzzet; Övgün, Ali (Springer, 2016-06-03)
    This paper is devoted to the study of radiation of massive spin-2 boson (graviton with a nonzero mass) through the event horizon of a generic static and spherically symmetric black hole in (3+1) dimensions. To this end, ...
  • Black holes and the classical model of a particle in Einstein non-linear electrodynamics theory 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (Physics Letters B, Elsevier, 2009)
    Modified by a logarithmic term, the non-linear electrodynamics (NED) model of the Born–Infeld (BI) action is reconsidered. Unlike the standard BI action, this choice provides interesting integrals of the Einstein-NED ...
  • Black hole solutions in Einstein–Maxwell–Yang–Mills–Gauss–Bonnet theory 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP) publishing, 2008)
    We consider Maxwell and Yang-Mills (YM) fields together, interacting through gravity both in Einstein and Gauss-Bonnet (GB) theories. For this purpose we choose two different sets of Maxwell and metric ansaetze. In our ...
  • Black hole solutions in f(R) gravity coupled with non-linear Yang-Mills field 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (Physical Review D, American Physical Society (APS), 2011)
    It is shown that in the static, spherically symmetric spacetime the problem of metric f(R) gravity coupled with non-linear Yang-Mills (YM) field constructed from the Wu-Yang ansatz as source, can be solved in all dimensions. ...
  • Bound states for spiked harmonic oscillators and truncated Coulomb potentials 
    Mustafa, Omar; Maen, Odeh (IOP Publishing, 1999)
    We propose a new analytical method to solve for the nonexactly solvable Schrodinger equation. Successfully, it is applied to a class of spiked harmonic oscillators and truncated Coulomb potentials. The utility of this ...
  • Canonical Acoustic Thin-Shell Wormholes 
    Jusufi, Kimet; Övgün, Ali (World Scientific Publishing Co Pte Ltd, 2017-02-16)
    In this paper, we model a canonical acoustic thin-shell wormhole (CATSW) in the framework of analogue gravity systems. In this model, we apply cut and paste technique to join together two spherically symmetric, analogue ...
  • Chaos in electrovac and non-Abelian plane wave spacetimes 
    Sakallı, İzzet; Halilsoy, Mustafa (Physical Review D, American Physical Society (APS), 2006)
    Superposed electrovac pp-waves causes chaos. To show this, we project the particle geodesics onto the (x,y) plane and simulate the phase space’s Poincaré section numerically. Similar considerations apply, with minor ...
  • Chaos in Kundt type III Spacetimes 
    Sakallı, İzzet; Halilsoy, Mustafa (Chinese Physics Letters, Institute of Physics (IOP) Publishing, 2011)
    We consider geodesics motion in a particular Kundt type III spacetime in which Einstein-Yang-Mills equations admit solutions. On a particular surface as constraint we project the geodesics into the (x,y) plane and treat ...
  • Charge screening by thin-shells in a 2+1-dimensional regular black hole 
    Mazharimousavi, S. Habib; Halilsoy, Mustafa (European Physical Journal C, Springer, 2013)
    We consider a particular Bardeen black hole in 2+1-dimensions. The black hole is sourced by a radial electric field in non-linear electrodynamics (NED). The solution is obtained anew by the alternative Hamiltonian formalism. ...
  • Classical and quantum quasi-free position-dependent mass: Pöschl-Teller and ordering ambiguity 
    Mazharimousavi, Habib S.; Mustafa, Omar (IOP Publishing, 2013)
    We argue that the classical and quantum mechanical correspondence may play a basic role in the fixation of the ordering ambiguity parameters. We use quasi-free position-dependent masses in the classical and quantum frameworks. ...
  • A Class of Transcendent Solution to Ernst System 
    Halilsoy, Mustafa (Lettere Al Nuovo Cimento, Societa Italiana di Fisica, 1985)
    We present a method that generates a class of transcendent solutions to Ernst system in Einstein-Maxwell theory of general relativity.
  • Colliding EM Shock Waves in General Relativity 
    Halilsoy, Mustafa (Physical Review D, Amrican Physical Society (APS), 1988)
    we derive a new, exact solution for the Einstein-Maxwell equations that describes the collision (interaction) of two arbitrarily polarized electromagnetic shock waves. In the limit that the polarization angle vanishes, ...
  • Colliding EM Waves that Admit Separable Wave Equation 
    Halilsoy, Mustafa (General Relativity and Gravitation, Springer, 1994)
    We show that the massive wave equation is separable in two particular colliding Einstein-Maxwell waves space-times. The first is the type D metric of Chandrasekhar and Xanthopoulos whereas the second is the doubly ...