Science (Faculty of): Recent submissions
Now showing items 1-20 of 2808
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Symmetries in Black Hole Spacetimes
(University of Waterloo, 2022-11-30)This thesis covers the role of explicit and hidden symmetries in some selected topics on the properties and excitations of black hole spacetimes. To this end, the symmetries of classical physics in Lorentzian manifolds are ... -
Early Paleozoic Ocean Redox Dynamics: Perspectives from Uranium Isotopes of Sedimentary Rocks
(University of Waterloo, 2022-11-23)The trajectory of global ocean oxygenation could have greatly influenced the metazoan evolutions because O2 could provide valuable energy to support biological activities. Remarkable metazoan diversifications occurred ... -
Coherent interactions and thermometry in a trapped ion quantum simulator
(University of Waterloo, 2022-10-27)Quantum simulators are useful tools to study exotic systems which may be otherwise intractable for a traditional computer. In particular, the trapped-ion platform has been a leading candidate for use in quantum simulation ... -
The Investigation of Isomers using Differential Mobility Spectrometry and Ultraviolet Photodissociation Spectroscopy
(University of Waterloo, 2022-10-26)The analysis of complex mixtures in mass spectrometry (MS) is often complicated by the presence of isomers exhibiting the same mass-to-charge ratios. Tandem MS can simplify isomer analysis and enable ion characterization ... -
Polymer Additive Engineering of Organolead Halide Perovskites: Effect on Device Characteristics and Scalable Manufacturing
(University of Waterloo, 2022-10-21)Within the last decade, organolead halide perovskites such as methylammonium lead iodide (MAPbI₃), have established themselves as a promising material choice for developing highly efficient and cost-effective photosensitive ... -
A Study of Electrochemically Induced Lattice Distortions in Layered Perovskites
(University of Waterloo, 2022-10-05)The intermittency of renewable electricity necessitates the development of energy storage solutions that are rapidly deployable. Solid state devices such as fuel cells, electrolyzers and batteries have could potentially ... -
Seedlings of Temperate Tree Species Show Plastic Responses to Water Deficit and Heat Stress, But They Do Not Prevent Decline in Growth
(University of Waterloo, 2022-10-03)Species response to climate change is difficult to predict because warming involves the interaction of multiple stressors whose effects are simultaneous and therefore difficult to disentangle. To address this gap, I studied ... -
Evaluation and Comparison of Two Novel Non-Platinum-Based Antitumor Agents on Pancreatic Cancer and Triple-Negative Breast Cancer
(University of Waterloo, 2022-10-03)Cancer is one of the leading causes threatening human life. People suffering from pancreatic cancer and triple-negative breast cancer (TNBC) have particularly low survival rate among all cancer types. The novel non-platinum ... -
Engineering the kinetic stability of a β-trefoil protein by tuning its topological complexity
(University of Waterloo, 2022-10-03)Kinetic stability is crucially important for engineering stable proteins suitable for use in industrial, research, and medical applications. Specifically, kinetic stability is central to determining a protein’s functional ... -
Quantifying the Effects of Water Management Decisions on Streambank Stability
(University of Waterloo, 2022-09-30)Streams continuously change due to natural processes and human activities, significantly affecting streambank erosion and stability. These changes cause severe environmental issues, including sedimentation of reservoirs, ... -
Calibrating the Long-Range Backbone Dynamics of Polymers in Solution Using Two Different Models
(University of Waterloo, 2022-09-29)The fluorescence decays of a series of 41 pyrene-labeled poly(oligo(ethylene glycol)methyl ether methacrylate)s (Py-PEGnMA where n = 0, 1, 2, 3, 4, 5, 9, 16, 19) were prepared by free-radical polymerization of 1-pyrenebutyl ... -
A ca. 273-261 Ma multi-component arc pluton in the southern area of the Beishan Orogenic Collage, NW China: a geochronological, geochemical, and petrogenetic analysis
(University of Waterloo, 2022-09-29)Along the southern edge of the Central Asian Orogenic Belt lies the Beishan Orogenic Collage, bridging the Tianshan Orogen (west) to the Mongolia-Xing’anling Orogen (east). The Beishan Orogenic Collage is thought to represent ... -
Twisted Holography: The Examples of 4d and 5d Chern-Simons Theories
(University of Waterloo, 2022-09-29)Twisted holography is a duality between a twisted supergravity, and a twisted supersymmetric gauge theory living on the D-branes in the supergravity. The main objectives of this duality is the comparison between the algebra ... -
Simulating Many-Body States of Light and Matter with Tensor Networks
(University of Waterloo, 2022-09-29)When Feynman originally proposed the concept of a quantum computer, his purpose was to perform quantum simulation of complex materials. It is thus a key requirement that quantum resources can emulate physical processes ... -
Hodge Theory for Geometrically Frustrated Magnetism
(University of Waterloo, 2022-09-29)We present an analytical formalism based on the concept of discrete differential forms and Hodge theory as a framework for understanding geometrically frustrated magnetism. The primary insight is to treat spins as a 1-form ... -
Beyond General Relativity: New Structure and Stability Predictions from Modified Gravity and High-Density Interaction Models
(University of Waterloo, 2022-09-29)In this thesis a number of topics are explored in an attempt to further understand gravitation and highly dense matter on a fundamental level. The notion of “quark stars” (QS), hypothetical compact stars composed of quark ... -
Collective Spin-Cavity Ensembles and the Protection of Higher-dimensional Quantum Information
(University of Waterloo, 2022-09-28)The development of devices leveraging their quantum nature to outperform classical analogues has been an ongoing effort for many decades now. In this thesis we investigate two facets related to this effort, albeit at ... -
Development and Study of the Microfluidic Open Interface Coupled with Solid-phase Microextraction for Rapid Analysis
(University of Waterloo, 2022-09-28)Analytical chemistry mainly aims to identify and quantify analytes in matrices of interest. Analytical chemistry is an indispensable part of chemistry (and other scientific fields) because identification and quantification ... -
Powell Lens-based Line-Scan Spectral Domain Optical Coherence Tomography for Cellular Resolution Imaging of Biological Tissues
(University of Waterloo, 2022-09-28)A line-scan spectral-domain optical coherence tomography system was developed for corneal imaging. It utilizes a Powell lens to achieve a better line illumination power distribution than the conventional use of cylindrical ... -
Indications of benthic macroinvertebrate assemblage recovery following wastewater treatment upgrades in the central Grand River
(University of Waterloo, 2022-09-28)Treated effluent from wastewater treatment plants (WWTPs) can be a source of substantial nutrient and contaminant loading, altering water chemistry and ecological conditions in receiving waters. To meet new regulations and ...