Now showing items 41-60 of 620

    • Space and Particles at the Planck Scale 

      Konopka, Tomasz (University of Waterloo, 2007-09-10)
      The aim of this thesis is to summarize some results in two approaches to studying how quantum gravity may be relevant for experiments. The first approach starts off by stating that one of the questions a theory of quantum ...
    • Time-Resolved Femtosecond Laser Spectroscopic Study of the Reaction 

      Kalantari, Saeed (University of Waterloo, 2007-09-11)
      Being currently the second and potentially becoming the first cause of death in North America, cancer has been the focus of researchers from various areas of science. Chemotherapy is one of the leading treatment options ...
    • On-Shell Recursion Relations in General Relativity 

      Boucher-Veronneau, Camille (University of Waterloo, 2007-09-11)
      This thesis is a study of the validity and application of the on-shell recursion relations within the theory of General Relativity. These relations are also known as the Britto-Cachazo-Feng-Witten (BCFW) relations. They ...
    • Holographic studies of thermal gauge theories with flavour 

      Thomson, Rowan (University of Waterloo, 2007-09-12)
      The AdS/CFT correspondence and its extensions to more general gauge/gravity dualities have provided a powerful framework for the study of strongly coupled gauge theories. This thesis explores properties of a large class ...
    • An apparatus for studying interactions between Rydberg atoms and metal surfaces 

      Carter, Jeffrey David (University of Waterloo, 2007-09-27)
      A system suitable for studying interactions between ⁸⁷Rb Rydberg atoms and metal surfaces has been constructed. This thesis describes the design and construction of the apparatus, and some test results. Atoms in a vapor ...
    • Forays into Mathematical Physics 

      Hackett, Jonathan (University of Waterloo, 2007-09-27)
      Two different works in mathematical physics are presented: A construction of conformal infinity in null and spatial directions is constructed for the Rainbow-flat space-time corresponding to doubly special relativity. ...
    • The Physical Underpinning of Security Proofs for Quantum Key Distribution 

      Boileau, Jean Christian (University of Waterloo, 2007-09-27)
      The dawn of quantum technology unveils a plethora of new possibilities and challenges in the world of information technology, one of which is the quest for secure information transmission. A breakthrough in classical ...
    • Investigating Photonic Quantum Computation 

      Myers, Casey Robert (University of Waterloo, 2007-09-28)
      The use of photons as qubits is a promising implementation for quantum computation. The inability of photons to interact, especially with the environment, makes them an ideal physical candidate. However, this also makes ...
    • Fabrication of an Atom Chip for Rydberg Atom-Metal Surface Interaction Studies 

      Cherry, Owen (University of Waterloo, 2007-09-28)
      This thesis outlines the fabrication of two atom chips for the study of interactions between ⁸⁷Rb Rydberg atoms and a Au surface. Atom chips yield tightly confined, cold samples of an atomic species by generating magnetic ...
    • Bidirectional mapping between self-consistent field theory and molecular dynamics 

      Thompson, Russell B.; Sewell, Thomas; Rasmussen, Kim; Bedrov, Dmitry; Smith, Grant (AIP Publishing, 2007-10-08)
      A bidirectional mapping scheme that bridges particle-based and field-based descriptions for polymers is presented. Initial application is made to immiscible homopolymer blends. The forward mapping (upscaling) approach ...
    • Particle Distributions in a Block Copolymer Nanocomposite 

      Matsen, Mark W.; Thompson, Russell B. (American Chemical Society, 2008)
      Self-consistent-field theory is used to predict the center-of-mass distribution of spherical nanoparticles embedded in the lamellar phase of a diblock copolymer melt. The calculation is performed in the dilute limit, where ...
    • Intense laser field ionization of atom and molecular ion 

      Long, Zi Jian (University of Waterloo, 2008-01-24)
      In order to understand how does the intense laser interact with matter we first of all study the ionization process. In this highly nonlinear region the conventional perturbation theory will fail to predict the experimental ...
    • On Magic State Distillation using Nuclear Magnetic Resonance 

      Hubbard, Adam A. (University of Waterloo, 2008-01-25)
      Physical implementations of quantum computers will inevitably be subject to errors. However, provided that the error rate is below some threshold, it is theoretically possible to build fault tolerant quantum computers that ...
    • Physical Properties of Shear Oriented Cocoa Butter 

      Guthrie, Sarah (University of Waterloo, 2008-01-25)
      Cocoa butter is a highly complex system of triacyglycerides which has been shown to crystallize in a markedly different fashion under the application of shear. A rheometer insert was developed to enable the intact extraction ...
    • Impact of Geometric Uncertainties on Dose Calculations for Intensity Modulated Radiation Therapy of Prostate Cancer 

      Jiang, Runqing (University of Waterloo, 2008-01-29)
      IMRT uses non-uniform beam intensities within a radiation field to provide patient-specific dose shaping, resulting in a dose distribution that conforms tightly to the planning target volume (PTV). Unavoidable geometric ...
    • On the Classification of the R-separable webs for the Laplace equation in E^3 

      Chanachowicz, Mark (University of Waterloo, 2008-04-29)
      In the first two Chapters I outline the theory and background of separation of variables as an ansatz for solving fundamental partial differential equations (pdes) in Mathematical Physics. Two fundamental approaches will ...
    • Interaction of Nanosecond and Femtosecond Laser Pulses with Carbon: Deposition of Carbon Films having Novel Compositions 

      Hu, Anming (University of Waterloo, 2008-05-22)
      A comparison of the composition and structure of carbon films deposited by ns and fs laser ablation of graphite is the subject of this thesis. In addition, the effect of irradiation on the surface of graphite has been ...
    • Nanoparticle-regulated phase behavior of ordered block copolymers 

      Thompson, R.B.; Gaines, Michelle K.; Smith, Steven D.; Samseth, Jon; Bockstaller, Michael R.; Rasmussen, Kim; Spontak, Richard J. (RSC publishing, 2008-06-30)
      Although block copolymer motifs have received considerable attention as supramolecular templates for inorganic nanoparticles, experimental observations of a nanostructured diblock copolymer containing inorganic ...
    • Suppression and characterization of decoherence in practical quantum information processing devices 

      Silva, Marcus (University of Waterloo, 2008-08-01)
      This dissertation addresses the issue of noise in quantum information processing devices. It is common knowledge that quantum states are particularly fragile to the effects of noise. In order to perform scalable quantum ...
    • Interplay of Disorder and Transverse-Field Induced Quantum Fluctuations in the LiHo_xY_{1-x}F_4 Ising Magnetic Material 

      Tabei, Seyed Mohiaddeen Ali (University of Waterloo, 2008-08-25)
      The LiHo_xY_{1-x}F_4 magnetic material in a transverse magnetic field B_x perpendicular to the Ising spin direction has long been used to study tunable quantum phase transitions in pure and random disordered systems. We ...

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