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  • 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 ...
  • Approximate ground state energies of one dimensional potential wells by the s-matrix formalism 
    Erkol, Hakan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    One dimensional potential wells are described as a collection of consecutive thin slices, each approximated by a Dirac delta well. Bound state energies of these Dirac delta well conglomerates are calculated, using a method ...
  • Archaelogical provenancing of marble by pore size analysis, using phase transition porosimetry 
    Öztürk, M. Kaan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Determination of the source of a particular marble sample is an ongoing subject of study among archaeometrists. In this study, categorization according to pore size distribution is suggested. The employed method for pore ...
  • Aspects of finite size effects on Bose-Einstein condensation 
    Seymen, Sema. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis, the number of particles calculations of Pathria for a 3 dimensional box is shortly reviewed. After that, the works of Toms and Kirsten which use the Mellin Barnes integral representation and heat kernel ...
  • Aspects of nonrelativistic strong gravity 
    Hamamcı, Efe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    We carry out the leading order (LO) large c expansion to GR in the presence of odd powers with the tools provided by Newton-Cartan (NC) gravity. As a result, a set of di eomorphism invariant LO equations are found. The odd ...
  • Aspects of string thermodynamics 
    Arslanargın, Ayşe. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis, we study thermodynamics of closed strings and open strings on D-branes in the microcanonical ensemble. Both single string and multi-string density of states are obtained from energy spectrum. In the ...
  • Aspects of supersymmetric mechanics 
    Çapku, Zürbiye. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Supersymmetry is a space time symmetry which relates bosons to fermions or vice verca. It requires that for each particle there has to be an anti- particle with the same mass. Along this thesis some supersymmetric Lagrangian ...
  • Assessing a virtual reality display system for teleradiology purposes using the receiver operating curve methodology 
    Kocatürk, Eylem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In a radiology reading room, multiple flat displays are used for the comparison aspect. This approach increases the overall expense and also requires more space. So, virtual reality techniques can be applied to teleradiology. ...
  • Average values of the functional equation factors at the zeros of derivatives of dirichlet L-functions 
    Elma, Ertan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this work, average values of the functional equation factors of Riemann Zeta function and Dirichlet L-functions at the zeros of derivatives of Dirichlet L-functions are calculated.
  • Bir E6 ayar alan teorisi modeli 
    Serdaroğlu, Meral. (Thesis (Assoc. Prof.) - Bogazici University. Institute of Sciences and Engineering, 1978., 1978.)
  • Black holes and cosmic censorship 
    Düztaş, Koray. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2014.)
    This thesis starts with a brief review of causality conditions, gravitational collapse and singularity theorems. Cosmic censorship conjecture is introduced and the need for such a conjecture to preserve the deterministic ...
  • Black holes in an expanding universe 
    Şenikoğlu, Yorgo. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    By performing transformations on the isotropic forms of di erent metrics, new cosmological black hole solutions were obtained by generalizing the static solution, the Schwarzchild solution, the McVittie and the Kerr ...
  • Black holes, cosmology and Brans-Dicke theories in 4+1 dimensional universe 
    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 ...
  • Born-oppenheimer approximation for some singular systems 
    Akbaş, Hacı. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis we try to solve the energy spectrum of heavy particles in three body singular system by using the Born-Oppenheimer approximation. Heavy particles are carrying attractive Dirac-Delta function potential so, ...
  • Bose-Einstein condensation on a Reimannian manifolds with nonnegative Ricci curvature 
    Tapramaz, Ferzan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, the properties of the Bose-Einstein condensation in at spaces are reviewed. Three dimensional weakly interacting Bose systems are examined by using the Bogoliubov approximation. The heat kernel of the ...
  • Bound state solutions of the Schrödinger equation for potentials with dirac delta functions 
    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 ...
  • Boundary effects on Bose-Einstein condensation in ultra-static space-times 
    Ertuğrul, Emine. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this theses relativistic boson anti-boson system, inside d dimensional box B with volume V and surface area A, which is a sub-manifold of d dimensional manifold M is studied. Mellin-Barnes Transformations and short time ...
  • Calibration of CMS luminometers using van der Meer and emittance scans 
    Çekmecelioğlu, Yusuf Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The calibration for the CMS luminosity measurement for the 2018 LHC run is described. The principal calibration is derived from the analysis of the van der Meer scan program in CMS taken in LHC fill 6868 on June 30th–July ...
  • Can hyperbolic phase of Brans-Dicke field account for dark matter and dark energy? 
    Çifter, Fulya. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The main purpose of this thesis is to explain the dark matter and dark energy contribution to standard Friedmann Equation which relates the expansion rate of the universe, H; to the various fractions of the present energy ...
  • Cellular automata modelling of multilane highway traffic 
    King, Hunter. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Cellular automata (CA) are often used to model traffic flow with the intent to both better understand the internal dynamics of traffic from a statistical physics point of view, and to create virtual experiments which cannot ...

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