Browsing Physics and Astronomy by Title
Now showing items 610-629 of 767
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Specific Heat of Unconventional Superconductors
(University of Waterloo, 2010-12-22)PrOs₄Sb₁₂ is the first known heavy fermion superconductor containing Pr. Many experiments show results indicating unconventional superconductivity in this system. Most notably, PrOs₄Sb₁₂ exhibits two superconducting ... -
Spectroscopy of selected calcium and strontium containing polyatomic molecules
(University of Waterloo, 2007-05-15)A spectroscopic study of several calcium and strontium containing molecules has been completed. In total, seven electronic transitions from six different calcium or strontium containing species were observed and analyzed ... -
Spectroscopy of selected metal-containing diatomic molecules
(University of Waterloo, 2005)Fourier transform infrared emission spectra of MnH and MnD were observed in the ground <em>X</em><sup>7</sup>σ<sup>+</sup> electronic state. The vibration-rotation bands from <em>v</em> = 1 to 0 to <em>v</em> = ... -
Spherically Confined Polymers: Monte Carlo Simulations with Expanded Ensemble Density-of-States Method
(University of Waterloo, 2018-02-20)In this thesis, the Expanded Ensemble Density-of-States (EXEDOS) method - a combination of the Wang-Landau and Expanded Ensemble Monte Carlo algorithms is employed to investigate spatial conformations of a polymer chain ... -
Spin-orbit states of neutron wave packets
(American Physical Society, 2016-07-13)We propose amethod to prepare an entangled spin-orbit state between the spin and the orbital angular momenta of a neutron wave packet. This spin-orbit state is created by passing neutrons through the center of a quadrupole ... -
Spin-Preserving Metasurface-Based Focusing Mirror for Enhancing Light-Matter Interactions
(University of Waterloo, 2021-10-01)We propose a dielectric metasurface mirror that focuses one spin state while diverging the other state and preserves the spin state upon reflection, unlike conventional mirrors. First, we discuss the working principle of ... -
Spin-Spin Correlations in the CuAlCr₄S₈ Breathing Pyrochlore
(University of Waterloo, 2023-09-21)Frustrated magnetic systems, whose behaviour is influenced by competing interactions between magnetic spins, have been an active area of research. There is a special class of materials called breathing pyrochlores, whose ... -
Spontaneous Tilting Transition in Liquid-Crystalline Polymer Brushes
(2019)The equilibrium phase behavior of main-chain liquid-crystalline polymer brushes in good solvent is investigated using self-consistent field theory. The calculation assumes semi-dilute brushes, where the grafting density ... -
Squashing Models for Optical Measurements in Quantum Communication
(University of Waterloo, 2009-10-02)Many protocols and experiments in quantum information science are described in terms of simple measurements on qubits. However, in an experimental implementation, the exact description of the measurement is usually more ... -
Stable polymer glasses
(University of Waterloo, 2023-04-26)This thesis presents investigations on stable polymer glasses prepared through physical vapour deposition from different perspectives. This is the first time that polymers have been used in simple vapour deposition and ... -
Standard model physics and beyond from non-commutative geometry.
(University of Waterloo, 2015-09-25)Non-commutative differential geometry (NCG) extends Riemannian geometry and yields a striking reinterpretation of the standard model of particle physics (SM) as gravity on a `non-commutative' manifold. The basic idea behind ... -
Standard model physics from abstract mathematical objects?
(University of Waterloo, 2016-01-22)This thesis constitutes a first attempt to derive aspects of standard model particle physics from purely abstract mathematical objects. We begin abstractly with an algebra, and argue that physical concepts such as particles, ... -
Star Formation and Environmental Quenching of Group Galaxies from the GEEC2 Survey at z~1
(University of Waterloo, 2013-09-03)This work presents detailed analysis from the GEEC2 spectroscopic survey of galaxy groups at 0.8<z<1. This deep survey, which has a magnitude limit of r_AB<24.75, had previously found a population of intermediate ('green') ... -
Star Formation and Quenching in Galaxies: Groups, Clusters, and Mergers
(University of Waterloo, 2023-08-21)This thesis studies the impact of galaxy environment on star formation and ‘quenching’, by using simple physically-motivated models that can be fit using available observed quantities. Quenching refers to the close to total ... -
The Star Formation Histories of Red-Sequence Galaxies
(University of Waterloo, 2009-10-02)This thesis addresses the challenge of understanding the typical star formation histories of red sequence galaxies, using linestrength indices, mass-to-light ratios and redshift evolution as complementary constraints on ... -
Star Formation in Molecular Clouds Associated with HII Regions
(University of Waterloo, 2010-01-22)We have studied the properties of molecular clouds and the stellar population associated with 10 H II regions. We used the James Clerk Maxwell Telescope (JCMT) to make 12CO(2-1) maps in order to study the structure of the ... -
The Statistical Fingerprints of Quantum Gravity
(University of Waterloo, 2008-09-29)In this thesis some equilibrium and non-equilibrium statistical methods are implied on two different versions of non-perturbative quantum gravity. Firstly, we report a novel statistical mechanics in which a class ... -
Statistical Muon Tracking: A Study of Cosmic Backgrounds in the PROSPECT Experiment
(University of Waterloo, 2021-09-30)The Precision Reactor Oscillation and Spectrum Experiment (PROSPECT) has successfully demonstrated novel particle identification strategies with minimal protection from cosmic events. Located at the High Flux Isotope Reactor ... -
Structured Beams as Quantum Probes
(University of Waterloo, 2018-06-15)This thesis describes several projects under the common theme of generating and manipulating the spatial quantum phase structure of matter and electromagnetic waves. Experiments dealing with the following topics are ... -
Studies of Reentrance in Pyrochlore Magnets and Machine Learning of Quenched Gauge Symmetries
(University of Waterloo, 2020-09-18)In this thesis, we present two explorations: (1) understanding the mechanism causing reentrant behavior in the rare-earth pyrochlore magnet Er2Sn2O7, and (2) determining if unsupervised machine learning is capable of ...