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Browsing Ph.D. Theses by Author "Turgut, Osman Teoman."

Browsing Ph.D. Theses by Author "Turgut, Osman Teoman."

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  • A ramond-nevu schwarz string one end fixed 
    Arapoğlu, A. Savaş. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    We study an open string with one end free and the other fixed on a D0-brane as a qualitative guide to the spectrum of hadrons containing one very heavy quark. We first consider the bosonic degrees of freedom, then introduce ...
  • Analytic solutions of scalar field cosmology with minimal and nonminimal coupling and deformed discrete and finite quantum systems 
    İldeş, Medine. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this thesis first, we study analytic solutions of cosmology. We investigate the most general cosmological model with real scalar field which is minimally coupled to gravity and Brans- Dicke cosmology. Field equations ...
  • Heat kernel methods in many body problems 
    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 ...
  • Some new cosmological applications of the energy-momentum squared gravity 
    Uzun, Nebiye Merve. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    We investigate two specific forms of a new-type of modified gravity called Energy Momentum Squared Gravity (EMSG) constructed by the addition of the term f(TµνT µν) to the Einstein-Hilbert action with a cosmological constant ...

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