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    Browsing Masters Degrees (Physics) by Title 
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    • Browsing Masters Degrees (Physics) by Title
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    • Browsing Masters Degrees (Physics) by Title
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    Browsing Masters Degrees (Physics) by Title

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    Now showing items 65-84 of 134

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        Manipulation of short pulses 

        Okoye, Raphael (Stellenbosch : Stellenbosch University, 2013-12)
        ENGLISH ABSTRACT: An ultra-fast laser pulse can be described in the time or frequency domain. If the timebandwidth product of an ultra-fast pulse is not satisfied, then the pulse is stretched. Stretching can be described ...
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        Measurement and extraction of the Giles parameters in Ytterbium-doped fibre 

        Hendriks, Adriaan Jacobus (Stellenbosch : University of Stellenbosch, 2009-03)
        The role fulfilled by theoretical models is rapidly increasing due to lasers becoming appli- cation driven to satisfy certain criteria and demands. Construction of high precision lasers requires good theoretical models ...
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        Methods for the radiological characterisation of the FiR 1 TRIGA research reactor decommissioning waste 

        Ackermann, Tarryn (Stellenbosch : Stellenbosch University, 2017-03)
        ENGLISH ABSTRACT : Every nuclear reactor will eventually reach the end of its life time. With more than 60 new power reactors currently under construction, the need for understanding the safe decommissioning of a nuclear ...
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        The metric for non-Hermitian Hamiltonians : a case study 

        Musumbu, Dibwe Pierrot (Stellenbosch : Stellenbosch University, 2006-12)
        ENGLISH ABSTRACT: We are studying a possible implementation of an appropriate framework for a proper non- Hermitian quantum theory. We present the case where for a non-Hermitian Hamiltonian with real eigenvalues, we ...
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        Microdosimetric studies of Auger electrons from DNA-incorporated 123-I using the micronucleus assay and the Geant4 Monte Carlo simulation tookit 

        Fourie, Hein (Stellenbosch : Stellenbosch University, 2014-12)
        ENGLISH ABSTRACT: This study’s focus is on the determination and quantization of radiation damage on a cellular level due to the decay of the Auger electron-emitting 123I and the replication of this energy deposition using ...
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        Modelling of end-pumped Ho:YLF amplifiers 

        Collett, Oliver John Philip (Stellenbosch : Stellenbosch University, 2013-03)
        This work is a thesis regarding the energy scaling of end-pumped Ho:YLF amplifiers. The work includes: a brief review of laser physics and models, the development of a suitable three dimensional time resolved numerical ...
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        Monte Carlo simulation of direction sensitive antineutrino detection 

        Blanckenberg, J. P (Jacobus Petrus) (Stellenbosch : University of Stellenbosch, 2010-03)
        ENGLISH ABSTRACT: Neutrino and antineutrino detection is a fairly new eld of experimental physics, mostly due to the small interaction cross section of these particles. Most of the detectors in use today are huge ...
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        Natural radioactivity in soils of Ijero, Nigeria: measurements and risk assessment 

        Bailey, Tarryn (Stellenbosch : Stellenbosch University, 2019-12)
        ENGLISH ABSTRACT: Several soil samples were obtained from Ijero, Nigeria, where the chemical and radio-toxicity of soil is under question due to ongoing and unregulated mining activities. The soil samples were crushed, ...
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        A near infrared femtosecond laser source for observation of charge transfer processes in semiconductors 

        Ahmed, Essraa Taha (Stellenbosch : Stellenbosch University, 2017-03)
        ENGLISH ABSTRACT : Near infrared femtosecond laser pulses were generated in the spectral range 900 - 2400 nm using the idler of a noncollinear optical parametric amplifier (NOPA). The amplitude and phase of four exemplary ...
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        A new femtosecond electron diffractometer for structural dynamics experiments at cryogenic temperatures 

        Smit, Albert Bart (Stellenbosch : Stellenbosch University, 2014-12)
        ENGLISH ABSTRACT: In this thesis, a femtosecond electron diffraction (FED) set-up that is capable of investigating the photo-induced switching of Cu(DCNQI)2 from being an insulator to being a conductor is presented. ...
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        A non-commutative walecka model as an effective theory for interacting nucleons of finite size 

        Groenewald, Hendrikus Wilhelm. (Stellenbosch : Stellenbosch University, 2012-03)
        ENGLISH ABSTRACT: The nite size of nucleons should play an important role in the description of high density nuclear matter as found in astro-physical objects. Yet we see that the Walecka model, which is generally used ...
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        Non-linear effects in quantum electrodynamics 

        Kohler, Shane Jerome (Stellenbosch : University of Stellenbosch, 2010-12)
        ENGLISH ABSTRACT: See abstract in full text
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        Non-perturbative flow equations from continuous unitary transformations 

        Kriel, Johannes Nicolaas (Stellenbosch : University of Stellenbosch, 2005-12)
        The goal of this thesis is the development and implementation of a non-perturbative solution method for Wegner’s flow equations. We show that a parameterization of the flowing Hamiltonian in terms of a scalar function ...
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        Noninvasive measurement of dynamic correlations in spin systems 

        Uhrich, Philipp Johann (Stellenbosch : Stellenbosch University, 2017-12)
        ENGLISH ABSTRACT : Dynamic correlations hψ| O1(t1)O2(t2)|ψi of quantum observables are useful quantities for the study of quantum dynamics. Attempts at measuring these correlations are however complicated, due to the ...
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        Nuclear reactions with polarized spin-1/2 beams 

        Hillhouse, G. C. (Gregory Campbell) (Stellenbosch : Stellenbosch University, 1990-03)
        ENGLISH ABSTRACT: The first part of the thesis deals with the subject of polarization in nuclear reactions. The case where the incoming beam is polarized, is emphasized, and the theory is developed for the simple and ...
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        Numerical design of an optical solid-state amplifier 

        Van der Westhuizen, Gysbert Johannes (Stellenbosch : Stellenbosch University, 2007-12)
        Please refer to full text for abstract
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        Numerical modelling of the excitation of polyatomic molecules by femtosecond laser beams 

        De Clercq, Ludwig Erasmus (Stellenbosch : University of Stellenbosch, 2011-03)
        ENGLISH ABSTRACT: The selective excitation of an arbitrary vibrational level of a polyatomic molecule, without passage through an intermediary electronic excited state is demonstrated. This was achieved by simulating the ...
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        On evolutionary algorithms for effective quantum computing 

        Kruger, Markus Gustav (Stellenbosch : Stellenbosch University, 2012-03)
        ENGLISH ABSTRACT: The goal of this thesis is to present evolutionary algorithms, and demonstrate their applicability in quantum computing. As an introduction to evolutionary algorithms, it is applied to the simple but ...
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        One-dimensional fluid model with oscillating, exponentially decaying pair interactions 

        Maziya, Gcina (Stellenbosch : Stellenbosch University, 2015-12)
        ENGLISH ABSTRACT: For a one-dimensional fluid model where the pair interaction potential between the molecules consists of a hard core and an exponential attraction, Kac has shown that the partition function can be ...
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        Optical tweezers for advanced microscopy 

        Erasmus, Anneke (Stellenbosch : Stellenbosch University, 2018-03)
        ENGLISH SUMMARY: The integration of lasers into microscopy has enabled new areas of research and expanded existing ones. Not only can one now image samples to resolutions and contrast unheard of before lasers became ...

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