Browsing 08 Faculty of Arts and Sciences by Subject "General Relativity and Quantum Cosmology"

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Browsing 08 Faculty of Arts and Sciences by Subject "General Relativity and Quantum Cosmology"

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  • 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 ...
  • Effect of the Born-Infeld Parameter in higher dimensional Hawking radiation 
    Mazharimousavi, S. Habib; Sakallı, İzzet; Halilsoy, Mustafa (Physics Letters B, Elsevier, 2009)
    We show in detail that the Hawking temperature calculated from the surface gravity is in agreement with the result of exact semi-classical radiation spectrum for higher dimensional linear dilaton black holes in various ...
  • 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 ...
  • Solution of Dirac equation in the near horizon geometry of an extreme Kerr black hole 
    Sakalli, Izzet; Halilsoy, Mustafa (Physical Review -Series d-, American Physical Society (APS), 2004)
    Dirac equation is solved in the near horizon limit geometry of an extreme Kerr black hole. We decouple equations first as usual, into an axial and angular part. The axial equation turns out to be independent of the mass ...
  • Solution of the Dirac equation in the rotating Bertotti-Robinson spacetime 
    Al-Badawi, Ahmad; Sakallı, İzzet (Journal of Mathematical Physics, American Institute of Physics (AIP), 2008)
    The Dirac equation is solved in the rotating Bertotti-Robinson spacetime. The set of equations representing the Dirac equation in the Newman-Penrose formalism is decoupled into an axial and angular part. The axial equation, ...