• Basic concepts of random matrix theory 

      Van Zyl, Alexis J. (Stellenbosch : University of Stellenbosch, 2005-12)
      It was Wigner that in the 1950’s first introduced the idea of modelling physical reality with an ensemble of random matrices while studying the energy levels of heavy atomic nuclei. Since then, the field of Random Matrix ...
    • Bayesian parameter estimation for discrete data spectra 

      Wang, Li (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT : Discrete spectra are ubiquitous in physics; for example nuclear physics, laser physics and experimental high energy physics measure integer counts in the form of particles in dependence of angle, ...
    • Biofilament interacting with molecular motors 

      Meylahn, Janusz Martin (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: We study molecular motors moving along a filament or polymer using two different mathematical models in which motors are idealised as springs. In the first model we study the average and the fluctuations ...
    • Bound states near the interface of a distorted graphene sheet and a superconductor 

      Van Zyl, Hendrik Jacobus Rust (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: The goal of this thesis is to investigate the effects of distorting a graphene lattice and connect- ing this distorted graphene sheet to a superconductor. At low energies the possible excitation states ...
    • Cave front tracking experiment 

      Green, Mark (Stellenbosch : Stellenbosch University, 2016-12)
      ENGLISH ABSTRACT : Seismic tomography, a procedure to trace seismic wave velocity variation, has been used for more than 100 years to “see through rock”. Initially the recording of seismic waves from natural sources ...
    • A characterization of beam shaping devices and a tunable Raman laser 

      Du Plessis, Anton (Stellenbosch : University of Stellenbosch, 2003-04)
      ENGLISH ABSTRACT: The efficient manipulation of various nonlinear optical processes frequently requires the shaping of the laser beams used for these processes. Three beam shaping techniques were investigated in this ...
    • Characterization of the pre-eminent 4-α cluster state candidate in 16O 

      Li, Kevin Ching Wei (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: Please see full text for abstract
    • Characterization of thulium doped fiber for mid infrared laser applications 

      Ndebeka, Wilfrid Innocent (Stellenbosch : University of Stellenbosch, 2011-03)
      Please refer to full text to view abstract.
    • Cluster model analysis of exotic decay in actinide nuclei 

      Du Toit, Erasmus Johannes (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: The binary cluster model is used to investigate the properties of exotic structures and decays in various nuclei. A simple method is described to choose the possible clusters forming within the nucleus, ...
    • Collective coordinate description of kink-antikink interaction 

      Takyi, Ishmael (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: In this thesis we explore resonance solutions in one space and one time dimensions in the nonlinear non-integrable ø⁴ and ø⁶ models. These resonances occur when the relative velocity between the kink ...
    • Computing the Arnold Tongue in the Zipoy-Voorhees Space-time 

      Sherif, Abbas Mohamed (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT : In this thesis I study the integrability of the geodesic equations of the ZipoyVoorhees metric. The Zipoy-Voorhees spacetime is a one parameter family of Stationary Axisymmetric Vacuum spacetimes (SAV’s) ...
    • Constructing dualities from quantum state manifolds 

      Van Zyl, Hendrik Jacobus Rust (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: A constructive procedure to build gravitational duals from quantum mechanical models is developed with the aim of studying aspects of the gauge/gravity duality. The construction is simplified as far as ...
    • Construction and characterization of a multi-antenna terahertz time-domain spectroscopy setup 

      Smith, Shane Raymond (Stellenbosch : Stellenbosch University, 2015-04)
      ENGLISH ABSTRACT: Recent progress in laser and semiconductor technology has allowed for far easier generation and measuring of coherent terahertz radiation, a previously difficult region in the radiation spectrum to ...
    • Correlations between the standard and alternative definitions of the beam quality factor 

      Strauss, Hencharl Johan (Stellenbosch : University of Stellenbosch, 2005-04)
      ENGLISH ABSTRACT: The beam quality factor (M2) of a laser is important because it describes both the quality of a laser beam as well as its propagation. Particular applications require that the beam radii (from which ...
    • Cross sections and analysing power energy-sharing distributions of valence (p,2p)-knockout from 208Pb with a projectile of 200MeV 

      Bezuidenhout, Jacques (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: The aim of this work was to study the 208Pb(p,2p)207Tl quasi-free knockout process. The experimental data were measured at the National Accelerator Centre using incident polarised protons of 200 MeV. ...
    • Crossovers and phase transitions in Bose-Fermi mixtures 

      Kimene Kaya, Boniface Dimitri Christel (Stellenbosch : Stellenbosch University, 2014-04)
      ENGLISH ABSTRACT: We present a theoretical approach that allows for the description of trapped Bose-Fermi mixtures with a tunable interspecies interaction in the vicinity of a Feshbach resonance magnetic field.The many-body ...
    • Deflection of Ag-atoms in an inhomogeneous magnetic field 

      Kheswa, Bonginkosi Vincent (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: In the current design of the high temperature gas cooled reactor, a small fraction of coated fuel particles will be defective. Hence, 110Ag may be released from the fuel spheres into the coolant gas ...
    • Density functional calculation of simple molecules 

      Olaoye, Olufemi Opeyemi. (Stellenbosch : Stellenbosch University, 2012-03)
      AFRIKAANSE OPSOMMING: Berekeninge met Density Functional Theory (DFT) is ’n nuttige tegniek om die dinamika van molekules op potensiële energievlakke te verstaan. Beginnende met ’n prototipe molekuul formaldimien, wat ...
    • The design and construction of an active-target detector for the study of the 20Ne(α,α’)20Ne* reaction 

      Brummer, Johann Wiggert (Stellenbosch : Stellenbosch University, 2015-12)
      The existence of an excited 3a resonant state in 12C, which is crucial for the thermonuclear fusion of carbon in red giant stars, was predicted by Fred Hoyle in 1954. Since the experimental observation of the Hoyle state ...
    • Design and development of an external cavity diode laser for laser cooling and spectroscopy applications 

      Nyamuda, Gibson Peter (Stellenbosch : University of Stellenbosch, 2006-12)
      External cavity diode lasers are used increasingly as sources of light in applications ranging from industrial photonic systems to basic laboratory research on the interaction of light and atoms. External cavity diode ...