E-Theses
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This collection, contains all Theses of the Department of Theorectical Physics, from December 2010 to May 2013
This collection is meant for academic and research purposes by the AUST students, staff and researchers. Violation to the rights of the owners of intellectual work is not allowed.
Recent Submissions
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Limiting Efficiency Of Perovskite Solar Cells
(2014-12-15)The power conversion efficiency of perovskite solar cells has risen from as low as 3.8% to as high as 19.3% in just five years with yet a projected value of over 20% in the next few years by experimentalists. Such a ...
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Development Of A Correction Term For The Kinetic Energy Density Functional
(2014-12-15)Density functional theory (DFT) is a useful theoretical and computational tool for electronic structure calculations, which form the basis for the classification of materials into conductors, semiconductors or insulators. ...
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Molecular Dynamics Simulation Of Transport Of Encapsulated Drug Through A Lipid Bilayer
(2014-12-15)Most anticancer drugs are polar, cytotoxic and have complicated structures which cause difficulty in their penetration through the cell membrane. This presents a serious problem in chemotherapy. Is it possible to use carbon ...
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Performance Optimization Of Tin Halide Perovskite Solar Cells Via Numerical Simulation
(2014-12-15)Organic-inorganic hybrid perovskite solar cells have attracted great attention in the photovoltaic research community in recent years due to its ease of processing, low cost of production, superb light-harvesting ...
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Simulation-Based Model Of Thermal Ablation Of Prostate Cancer Using High Intensity Focused Ultrasound
(2014-12-15)The use of High Intensity Focused Ultrasound (HIFU) in the medical treatment of cancer has attracted scientists and engineers with interest in achieving the most financially affordable but yet curative methods of curing ...
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Electro-Magnetic Duality, Magnetic monopoles and Topological Insulators
(2013-05-28)The Maxwell equations of electrodynamics acquire an additional symmetry if one assumes the existence of hypothetical particles-magnetic monopoles, carrying a magnetic charge. The additional internal symmetry is the ...
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Femtosecond Laser Surface Texturing of Materials for Various Applications
(2013-04-23)Femtosecond lasers represent an electromagnetic field with field intensities approaching and even exceeding atomic binding field. When irradiated on a target, the material responses change from linear to nonlinear within ...
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Influence of Molecular Polarizability on the Active Layer of Organic Photovoltaic Cells: A case study of Poly(3-hexylthiophene)
(2013-05-23)The complexity of the microstructure of the active layer in organic photo-voltaics (OPVs) poses a unique challenge in improving the efficiency of OPV devices. Molecular dynamics (MD) simulation provides a direct route ...
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Fundamentals of Laser Dynamics
(2013-04-23)The thesis presents the modeling and simulation of three types of lasers namely; Semiconductor laser, Solid state laser and CO2 laser. The rate equations were derived and simulated to examine the dynamic behaviour of the ...
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Nonlinear Effects In Flow In Porous Duct
(2013-05-28)In general, it is assumed in some non viscous flows that the flow velocity is constant at a cross-section. In this thesis, If we impose more realistic boundary conditions by, for example, introducing viscosity,and suction ...
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The Design of an On-Chip Silicon Photonic Diode
(2013-05-28)This work presents numerical calculation of electromagnetic waves in unidirectional on-chip silicon optical diodes. An original optical diode, designed by Wang et. al. [Opt. Express. 19, 26948-26955 (2011)], is based on ...
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Simulation Of Carbon Nanotube Growth
(2013-05-28)The basic understanding of the underlying techniques of growing Carbon Nanotubes (CNTs) with a specific chirality is still obscure and needs to be understood so as to properly harness its potentials. Using both Classical ...
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Stochastic Modelling Of A Chemotactic Microswimmer
(2011-11-23)Key to Escherichia coli (E-coli) bacteria survival is its ability to direct its movement to greener pasture and flee harmful environment - also known as chemotaxis. This thesis focuses on the modelling of E-coli chemotaxis ...
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Effects Of Stretching On Flexible Organic Electronic Structures
(2011-12-15)This work presents the responses of optical properties and mechanical failure of layers of stretchable organic electronic structures under tension using analytical, simulations, and experimental techniques. The interfacial ...
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Qualitative Modelling And Simulation Of Free Running Semiconductor Laser
(2011-11-23)The thesis presents the modelling and simulation of free running semiconductor laser. The rate equations which were derived on the basis of the fact that there must be a balance between carriers that undergo transition and ...
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Theoretical And Computational Modeling Of The Effects Of Electromagnetic Field On The Plasmodium Falciparum
(2011-12-15)The study explores the potential effects of the remote application of cyclic magnetic field to the female anopheles mosquitoes that carry malaria parasites. The goal is to develop a theoretical basis that can guide the ...
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Control Of Non Linear Oscillations In Plasma Governed By A Van Der Pol Equation
(2011-11-19)This thesis deals with the control of non linear oscillations in plasma governed by a classical Van der Pol equation . The main interest devoted to such an investigation is that non linear oscillations in plasma is essential ...
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Modelling Of Contact And Adhesion At Interfaces In Bulk Heterojunction Solar Cells
(2011-12-15)The study of the structures and properties of organic materials for organic photovoltaic (OPV) applications and their interrelationships is a rapidly growing field of research, involving interdisciplinary efforts at the ...
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Synthesis Of The Conventional Phenomenological Theories With Marginal Fermi Liquid Model
(2011-11-23)The high temperature superconducting cuprates show some non Fermi liquid behaviour in their normal state. Also there is no generally accepted theory of high temperature superconductivity. The BCS theory has failed to ...
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Theoretical And Computational Modeling Of An Implantable Biomedical Device For Localized Hyperthermia And Drug Delivery
(2011-10-23)The advent of nanotechnology together with Biomedical Microelectro-Mechanical Systems (BioMEMS) for improved efficacy in treatment of cancer has resulted in the development of an implantable biomedical device for localized ...
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