Ph.D. Theses: Recent submissions

  • Katırcı, Ayşe Nihan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The Effects of Different Types of Fields to Cosmology. Alternative cosmological models are proposed as a harbinger of new physics to overcome the perceived short- comings of the standard theory of cosmology (ACDM). We ...
  • Işıldak, Bora. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    A measurement of the double-di erential inclusive dijet production cross section in proton-proton collisions at √s = 7 TeV is presented as a function of the dijet invariant mass and jet rapidity. The data correspond to ...
  • Erman, Fatih. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The main goal of this thesis is to construct a non-perturbative renormalization for several models in quantum mechanics and field theory by means of the heat kernel in two or three dimensional Riemannian manifolds and study ...
  • Ertan, Erol. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    New results for neutron-deuteron elastic scattering cross sections at energies from 135 to 250 MeV and center-of-mass angles from 80 to 130 have been measured at the WNR facility of the Los Alamos Neutron Science Center ...
  • Açıkgöz, Sabriye. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The decay dynamics of (Boradiazaindacene) BODIPY dye molecules embedded in Porous silicon (PSi) nanostructures produced by electrochemical anodization of p-type silicon wafers in an HF solution are investigated using ...
  • Uncu, Haydar. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    A general method for the bound state solutions of the SchrÄodinger equation for analytically solvable potentials with any ¯nite number of Dirac delta functions is intro- duced for n-dimensional systems. Then, the potentials ...
  • Altıntaş, Azmi Ali. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Since the middle of the twentieth century, physicists have concentrated on finding quantum counterparts of classical systems. When a classical system is quantized its invariance group may still be a classical group. In the ...
  • Atak, Kaan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Polyethylene Glycol is known to have an irregular current characteristic under constant voltage and slowly varying relative humidity. In this study the current through a thin film of Gamma-isocyanatopropyltriethoxysilane ...
  • Kalaycı, Jan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
  • Delice, Özgür. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis we have investigated some solutions of Einstein's field equations having cylindrical symmetry. The corresponding energy momentum tensor of most of these solutions has pure radiation equation of state. First, ...
  • Bilen, Bükem. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Humidity induced changes in the refractive index and thickness of polyethylene glycol (PEG) thin films are in situ determined by optical waveguide spectroscopy. PEG brushes are covalently attached to the surface of a thin ...
  • Çiftci, Dilek. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    We consider the embedding of 3+1 dimensional cosmology in 4+1 dimensional Jordan-Brans-Dicke theory. We show that exponentially growing and power law scale factors are implied. We solve the Brans-Dicke equations and we ...
  • Erkol, Hakan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    A general method to obtain s-wave bound states of the Schrödinger equation for analytically solvable potentials together with a finite number of the Dirac delta functions is presented for three-dimensional systems. The ...
  • Deliömeroğlu, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The hybrid photo diodes in the HCAL will play an important role in detection of the jets and missing energy. It is very important to understand and monitor their charge spectrum. The charge spectrum of the HPD detectors ...
  • Erdamar, Özgül. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Characterization of the electrical properties of covalently linked pure, hydrogenated and hydrophobically modified poly{ethylene glycol} (PEG) thin films under a changing relative humidity is examined by dc measurements. ...
  • Yıldırım, H. Ahmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Chaotic behavior in the transient current through thin Aluminum-PMMA-Alu-minum films has been analyzed for times ranging up to 30000s, in the temperaturerange 293-363 K for applied voltages in the range 10-80V. The general ...
  • Neyzi, Fahrünisa. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
  • Çalık, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The basic motivation of this work is to attempt to explain the rapid primordial inflation and the observed slow late-time inflation by using the Brans-Dicke theory of gravity. We show that the ratio of primordial and ...
  • Şahin, Gökhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    A piecewise continuous, time dependent di®usive coupling in a classical onedimensional randomly pinned charge density wave model has been used for the analysisof experimentally observed transient current data for ...

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