Research Projects



Experimental Physics

Contact person: Dr TPJ Krüger

Laser coherent control of natural and artificial light-harvesting complexes.
Examining molecular mechanisms of photoprotection in desiccation tolerant plants.
Developing photoluminescence-excitation spectroscopy to investigate molecular mechanisms of photoprotection in single complexes and small ensembles of the main plant light-harvesting complex and plant Photosystem II supercomplexes.
Investigating single-molecule properties of light-harvesting complexes in environments that strongly reflect their natural environment.
Investigating structure-function relationships of solubilised light-harvesting complexes by combining single-particle tracking with other conventional single-molecule techniques.
Developing optical nanoantennas, a strongly emerging technology with a promising application in nano-spectroscopy.

Electronic Materials & Thin Films
Contact person: Prof W Meyer

Using solgels to form semiconductor thin films. Studying the effect of processing (chemical, annealing, doping) on the microstructural (SEM, AFM) and electrical properties of these films, either on their own or part of a larger structure (Dr J Nel)
Fabrication and characterization of ohmic and Schottky contacts to Si, Ge, GaAs, GaN, SiC, AlGaN, CdTe, semiconductors.
Electrical characterization of above mentioned semiconductors.
UV photoresponse characterization of wide bandgap materials.
Modification of semiconductor properties by particle irradiation.
Defect characterization in semiconductors by deep level transient spectroscopy (DLTS and high resolution Laplace-DLTS).

Physics Education Research Group
Contact Person:

Comparing performance of students from mainstream Physics 1 and extended program Physics 1 as they study together in final semester.
Lightning and Thunder: Indigenous outlook against scientific perspective.
Electromagnetic Induction: Fields in “empty spaces”. How freshmen understand the concept.  

Optical Characterization Research
Contact Person: Dr M Mlambo

Fundamental studies on bisphosphonates used in bone cancer treatment.
Raman characterization of SiC irradiated with neutrons and irradiated with neutrons.
Distinguishing between fake and authentic gemstones.
Studying San rock art, glass trade beads, ostrich egg shells and organic residues in archaeological context.
The investigation of Ta, Nb, Zr and Hf oxides, fluorides and oxyfluoride.
Identification of corrosion products on historical metal objects (Archaeology).
Determining the effect of anti-cancer extracts on single blood cells through their Raman spectra (Plant Science).
Characterizing carbonaceous materials through their Raman spectra (Carbon group).
Determination of the distribution of insecticides on painted surfaces using Raman and FTIR spectroscopy (Institute of Material Science).
Theoretical Physics

Theoretical High Energy Physics
Contact person: Prof K Zoubos

The Minimal Model/Higher Spin duality: Higher spin black holes and their thermodynamic properties
Entanglement Entropy in Higher-Spin Theory
Integrability in the AdS/CFT correspondence: Deformations, three-point functions, non-planar effects
Holography at Finite Density
Holographic duals of Chiral Symmetry Breaking
Generalised geometry
The pure spinor approach to string theory on RR backgrounds
Logarithmic CFT and holography

Theoretical Aspects of Complex Systems
Contact person: Prof P Selyshchev

 Peculiarities of creep temperature dependence in irradiated materials.
 Formation of track structure by swift heavy ion irradiation.
 Condensation of drops in irradiated steam.
Creep of irradiated metals.
Radiation-induced growth of second phase in binary alloy.
Delayed damage of polymer, organic and other complex molecules under and after irradiation.
Modality of stationary states of irradiated materials.
Self-organization point defects under irradiation.
Stochastic effects in crystal under irradiation

Mathematical Physics
Contact person: Prof R Duvenhage

 Noncommutative ergodic theory and quantum statistical mechanics.
Quantum groups and their actions. Field theory and string theory on quantum spaces.

Quantum Few-Body Theory
Contact person: Prof SA Rakitianski

 Dependence of the parameters of quantum resonances on the masses of the particles (BSc ).
 Mutual transformation of the bound and resonant spectral points (Hon).
 Lambda-nucleus effective-range expansion (Hon).
 Power-series expansion in the complex plane of the angular momentum (MSc).
 Lambda-nucleus resonances (MSc).
K-meson nucleus resonances (MSc).
Low-energy scattering of the J/Ψ particle from light nuclei (MSc).
Shift of the charge-carrier resonances in one-dimensional nano-structures due to the space-charge accumulation (PhD).
Driven Schrödinger equation for two– and three-body problems (PhD).
Jost function for two-dimensional problems (PhD).
Stark-effect in one-dimensional semiconductor nano-structures (PhD).
Nuclear fusion inside molecules (PhD).

Theoretical and Computational Solid State Physics
Contact person: Prof N Chetty

 Quantum Mechanical Modeling of Solids
 Computational Physics Research

Electronic Materials Modellings
Contact person: Prof WE Meyer

Ab initio modeling of defects in semiconductors using VASP software.



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