Now showing items 1-20 of 624

    • 1H MAS NMR Study of Water on Pd-MCM-41 

      Crone, Joshua (University of Waterloo, 2015-06-18)
      Hydrogen spillover represents one of the most promising avenues to achieve hydrogen storage at the density required for transportation applications. The spillover phenomenon, however, is a topic of much debate, with many ...
    • A 4d Lorentzian Spin Foam Model With Timelike Surfaces 

      Hnybida, Jeffrey (University of Waterloo, 2010-10-07)
      We construct a 4d Lorentzian spin foam model capable of describing both spacelike and timelike surfaces. To do so we use a coherent state approach inspired by the Riemannian FK model. Using the coherent state method we ...
    • 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, Chul 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 ...
    • An alternative derivation of orbital-free density functional theory 

      Thompson, Russell B. (AIP, 2019-05-28)
      Polymer self-consistent field theory techniques are used to derive quantum density functional theory without the use of the theorems of density functional theory. Instead, a free energy is obtained from a partition function ...
    • 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 a constant hole volume Sanchez–Lacombe equation of state to mixtures relevant to polymeric foaming 

      Park, Chul B.; von Konigslow, Kier; Thompson, Russell B. (Royal Society of Chemistry, 2018)
      A variant of the Sanchez–Lacombe equation of state is applied to several polymers, blowing agents, and saturated mixtures of interest to the polymer foaming industry. These are low-density polyethylene– carbon dioxide and ...
    • 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 Entanglement and Nonlocality 

      Gangopadhyay, Sayan (University of Waterloo, 2021-09-20)
      Entanglement and nonlocality are two of the features demonstrated by quantum systems which give rise to new possibilities in a variety of fields such as communication technology, cryptography and the study of fundamental ...
    • 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 ...


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