Now showing items 3-22 of 555

    • Above Bandgap Hyperpolarization Mechanism in Isotopically Purified Silicon and Optimal Bayesian Experiment Design for $T_1$ Estimation 

      Alexander, Thomas (University of Waterloo, 2018-05-24)
      This thesis is concerned with the mechanism underlying the above bandgap illumination Dynamic Nuclear Polarization (DNP) of phosphorus donors in isotopically purified silicon-28. Two proposed DNP models are introduced and ...
    • Abundance Matching with the Galaxies of the Virgo Cluster and the Stellar-to-Halo Mass Relation 

      Grossauer, Jonathan (University of Waterloo, 2012-09-27)
      Using data from the Next Generation Virgo Cluster Survey and high-resolution simulations of Virgo cluster-like halos, we determine the stellar-to-halo mass relation (SHMR) for subhalos, using the technique of abundance ...
    • Achievable Polarization for Heat-Bath Algorithmic Cooling 

      Rodríguez Briones, Nayeli Azucena (University of Waterloo, 2015-08-17)
      Highly pure quantum states play a central role in applications of quantum information science, both as initial states for quantum algorithms and as resources for quantum error correction. Controlled preparation of pure ...
    • Adhesion of Two Cylindrical Particles to a Soft Membrane Tube 

      Mkrtchyan, Sergey (University of Waterloo, 2012-09-26)
      The interaction of nanoparticles with biological systems, especially interactions with cell membranes, has been a subject of active research due to its numerous applications in many areas of soft-matter and biological ...
    • Adsorption of surface-modified silica nanoparticles to the interface of melt poly (lactic acid) and supercritical carbon dioxide 

      Thompson, R.B.; Park, C. B.; Chen, P.; Jeddi, K.; Sarikhani, K. (ACS Publications, 2015-04-28)
      With the purpose of fabricating polymer nanocomposite foams and preventing coalescence in foaming processes, the interfacial tension of poly (lactic acid) (PLA) -silica composites is investigated in this work. Synthesized ...
    • Adventures in Holography 

      Razieh, Pourhasan (University of Waterloo, 2014-07-11)
      In this thesis, inspired by the holographic theories, we study a variety of interesting problems in gravity, condensed matter and cosmology. First, we explore the entanglement entropy of a general region in a theory of ...
    • An ALMA View of Molecular Gas in Brightest Cluster Galaxies 

      Vantyghem, Adrian (University of Waterloo, 2018-09-25)
      In this thesis I use ALMA observations to map the distribution and kinematics of molecular gas in the brightest cluster galaxies of three galaxy clusters: 2A0335+096, RXJ0821+0752, and RXCJ1504-0248. The goal is to understand ...
    • Aluminium-Palladium Transition Edge Sensors 

      Persaud, Lauren Margaret (University of Waterloo, 2008-09-15)
      A superconducting Transition Edge Sensor (TES) can be used to make the most sensitive thermometer which operates in a very narrow temperature range. The thin film bi-layer fabrication details are discussed as well as ...
    • Amended Model of Large Scale Dark Matter Structure 

      Chen, Alice (University of Waterloo, 2020-09-03)
      Dark matter makes up around a quarter of the total energy density in the universe, but its identity remains elusive. Current ways of studying dark matter have centered around its macroscopic properties, such as density ...
    • Amplitudes in the Spin Foam Approach to Quantum Gravity 

      Chen, Linqing (University of Waterloo, 2017-07-31)
      In this thesis, we study a Spin Foam model for 4D Riemannian quantum gravity, and propose a new way of imposing the simplicity constraints that uses the recently developed holomorphic representation. Rather than imposing ...
    • Analytical and Numerical Studies of 2D XY Models with Ring Exchange 

      Iaconis, Jason (University of Waterloo, 2012-08-31)
      In this thesis we take several different analytic and numerical approaches to studying the classical J-K model. This model describes an interacting many-body system of spins with continuous symmetry which interact via ...
    • 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 ...
    • Application of the Flag-State Squashing Model to Numerical Quantum Key Distribution Security Analysis 

      Li, Nicky Kai Hong (University of Waterloo, 2020-09-18)
      The squashing model proof technique is a powerful tool in proving security of quantum key distribution (QKD) protocols since it reduces the dimension of the associated computational problem from infinite to finite. In the ...
    • Applications of Adiabatic Approximation to One- and Two-electron Phenomena in Strong Laser Fields 

      Bondar, Denys (University of Waterloo, 2010-12-20)
      The adiabatic approximation is a natural approach for the description of phenomena induced by low frequency laser radiation because the ratio of the laser frequency to the characteristic frequency of an atom or a molecule ...
    • Applications of Raman Spectroscopy 

      Flannery, Jeremy (University of Waterloo, 2014-08-22)
      This thesis is devoted to exploring experimental applications of Raman spectroscopy. The ability of Raman spectroscopy to investigate the vibrational modes of a molecule was explored in several studies. The work included ...
    • Applications of the Quantum Kernel Method on a Superconducting Quantum Processor 

      Peters, Evan (University of Waterloo, 2020-05-29)
      The widespread benefits of classical machine learning along with promised speedups by quantum algorithms over their best performing classical counterparts have motivated development of quantum machine learning algorithms ...
    • Applications of the Wormlike Chain Model in Polymer Physics: Self-consistent Field Theory 

      Jiang, Ying (University of Waterloo, 2013-04-30)
      The self-consistent field theory (SCFT) has reveived a great success in prediction of the physical properties of a variety of polymeric systems in the recent two decades. However, the traditional SCFT is based on the ...
    • Aspects of Nonlocality: from Particles to Black Holes 

      Saravani, Mehdi (University of Waterloo, 2016-05-06)
      This dissertation is a collection of works on different aspects of the following subjects: causal set--continuum correspondence, wave propagation on causal sets, nonlocal quantum field theory, potential connection between ...
    • Aspects of Quantum Field Theory with Boundary Conditions 

      Tjoa, Erickson (University of Waterloo, 2019-08-02)
      This thesis has two modest goals. The primary goal is to deliver three results involving particle detectors interacting with a quantum field in presence of non-trivial boundary conditions (Dirichlet, Neumann, periodic; ...
    • Aspects of Scattering Amplitudes and Moduli Space Localization 

      Mizera, Sebastian (University of Waterloo, 2019-08-19)
      We propose that intersection numbers of certain cohomology classes on the moduli space of genus-zero Riemann surfaces with $n$ punctures, $\mathcal{M}_{0,n}$, compute tree-level scattering amplitudes in quantum field ...

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