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  • Determination of optical constants of thin films 
    Yıldız, Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    In this thesis, a new approach is explored to determine the optical constants of thin dielectric layers. This study is based on the measurement of the reflection at various angles to determine the optical constants of a ...
  • Integrability of non-linear differential equations; lax formulation and bi-Hamiltonian structures 
    Güntürk, Kamil Serkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1998., 1998.)
    The integrability of non-linear differential equations are studied on the basis of Lax and bi-Hamiltonian formulations. The relations between the Lax formalism and bi-Hamiltonian structures are analysed and illustrated ...
  • 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 ...
  • Accretion discs around compact objects 
    Ekşi, K.Yavuz. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Accretion onto a compact object is the process that is thought to power unexpectedly intense radiation of some astrophysical objects like Active Galactic Nuclei and X-Ray Binaries. A similar process is known to exist in ...
  • Frequency-resolved photoconductivity studies in amorphous chalcogenide films 
    Akat, Ercüment. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Frequency-resolved photocurrent measurements (FRPC) were carried out on amorphous chalcogenide films such as AsSeSb AsSe and AsSeTe, by a method called frequency-resolved spectroscopy (FRS) as a function of temperature ...
  • Normal forms, nonlocal chaotic behaviour in sportt and NMR systems 
    Perdahçı, Nazım Ziya. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2002., 2002.)
    Poincaré's theory of normal forms is applied to a number of simple chaotic Sprott flows that have resonant eigenvalues. It is shown that the normal form expansion can give significant information not limited to the local ...
  • D.C. photoconductivity in As2Se3 thin films 
    Atak, Kaan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this thesis, the D.C. photoconductivity in amorphous thin films of As2Se3 is investigated. The temperature dependence of dark, and photo currents are explored at the interval 240 - 360 K. Three regimes are observed in ...
  • Noncommutative phase and the unitarization of the quantum group GL(2) 
    Kaynak, Burak Tevfik. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this thesis, a new *-operation (or unitarized form) is defined for the two-parameter quantum group GLp,q(2) in the case that pq is real, and the new group is denoted by Up,q(2). The most interesting aspect of our ...
  • 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 ...
  • Inhomogeneous quantum invariance group of commuting fermions 
    Altıntaş, Azmi Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    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 ...
  • Multiparameter generalization of deformed particle algebras 
    Arıkan, Ali Serdar. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In this study, we generalize deformed boson and fermion algebras by considering as many deformation parameters as possible. The restriction on the number of deformation parameters emerges from the relations leaving the ...
  • Quantum group structures associated with invariances of some physical algebras 
    Kayserilioğlu, Ufuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this study, the anticommuting spin algebra is introduced and it is shownto be invariant under the action of the quantum group SOq=-1(3). Furthermore, itsrepresentations and Hopf algebra structure are studied and found ...
  • Energy resolution and response analysis of the wedge 2-13 of the hadron forward calorimeter with electrons 
    Deliömeroğlu, Mehmet. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    CMS is one of the major detectors in the Large Hadron Collider (LHC) and it isbuilt to check postulations of the standard model, especially, the Higgs mechanism. TheHF calorimeter is part of the CMS detector to detect ...
  • 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 ...
  • Chaotic structures in conductivity mechanisms 
    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 ...
  • Spectral and scattering properties of point interactions 
    Altunkaynak, İsmet Barış. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Point interactions in all relevant dimensions are important to model short rangeinteractions in quantum mechanics. They are exactly solvable and play an important role in solid state, nuclear and atomic physics. In this ...
  • Scalar gauge theory on a cylinder 
    Bingöl, Elif. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this thesis we study the large Nc limit of SU(Nc) gauge theory coupled to ascalar field in the fundamental and adjoint representations on a cylinder, following the ideas of Rajeev. We use a different kind of light-cone ...
  • Structure formation on a quasicrystalline substrate 
    Bilki, Burak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In recent Low Energy Electron Diffraction (LEED) Experiments by Flüuckiger et al. on periodic Al films grown on a quasicrystalline substrate, it was observed that depending on the thickness of the Al film grown, the ...
  • Photoacoustic spectroscopy 
    Çolak, Arzu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In its broadest sense, optical spectroscopy can be defined as the study of the interaction of light with matter. Optical spectroscopy is invaluable in studies on clean media but there are several instances where it is ...
  • The application of the modified form of bath's law to the North Anatolian Fault Zone (NAFZ), Aegean Graben System and Cyprus Arc Zone 
    Yalçın, Sibel Ebru. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Earthquakes and aftershock sequences follow several empirical scaling laws: One of these laws is Bath's law for the magnitude of the largest aftershock. In this thesis, Modified Form of Bath's Law and its application to ...

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