Physics and Astronomy
This is the collection for the University of Waterloo's Department of Physics and Astronomy .
Research outputs are organized by type (eg. Master Thesis, Article, Conference Paper).
Waterloo faculty, students, and staff can contact us or visit the UWSpace guide to learn more about depositing their research.
Recent deposits
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Tensor networks, quantum spin chains, and quantum field theory
(University of Waterloo, 2020-07-07)Understanding the universality class of continuous phase transition is of central importance in condensed matter physics. In one spatial dimension, the universal properties are encoded in the conformal field theory (CFT), ... -
Renormalization, Entanglement and Continuous Tensor Networks
(University of Waterloo, 2020-07-07)The study of the ground states of local Hamiltonians in quantum many-body and quantum field theoretic systems is a source of many research problems of great complexity. Almost in its entirety, this thesis deals with ... -
Reconstructing quantum molecular rotor ground states
(Physical Review B, 2020-07-06)Nanomolecular assemblies of C60 can be synthesized to enclose dipolar molecules. The low-temperature states of such endofullerenes are described by quantum mechanical rotors, which are candidates for quantum information ... -
Hall Resistance Characterization of Thermoelectric Materials; Subgap Leakage Measurement of Josephson Junctions
(University of Waterloo, 2020-06-01)The thesis has two parts. The first part is the Hall measurement of thermoelectric materials which are promising energy sources in the future. By characterizing the Hall resistance at different environments, their charge ... -
Applications of the Quantum Kernel Method on a Superconducting Quantum Processor
(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 ... -
An Off-Lattice Model of the Sanchez-Lacombe Equation of State for Polymers with Finite Flexibility
(University of Waterloo, 2020-05-19)An extension to the off-lattice Sanchez Lacombe equation of state is proposed by including internal degrees of freedom to account for the finite flexibility of polymer molecules. The extension allows polymer molecules to ... -
Understanding Polarization Distortions for Real-world Quantum Key Distribution
(University of Waterloo, 2020-05-15)The field of quantum key distribution (QKD) has seen many advancements since its conception in 1984. Recently there have been developments towards establishing free space optical links between satellites and earth to enable ... -
Carbon nanotube electromechanical systems: Non-linear dynamics and self-oscillation
(University of Waterloo, 2020-05-13)This thesis is motivated by the many sensing applications of carbon nanotube (CNT) nano-electromechanical systems (NEMS), both previous state-of-the-art demonstrations and proposed new uses. This research is particularly ... -
Born Geometry
(University of Waterloo, 2020-04-21)In this thesis, we summarize the work which we authored or co-authored during our PhD studies and also present additional details and ideas that are not found elsewhere. The main topic is the study of T-duality in theoretical ... -
Studying polymer physics by machine learning.
(University of Waterloo, 2020-04-16)Recently, machine learning becomes a computational method that burst in popularity. Many disciplines, such as condensed matter physics, quantum chemistry, chemical engineering as well as polymer physics have incorporate ... -
The data processing pipeline for the Herschel1 - HIFI instrument
(Elsevier, 2019-04)The HIFI data processing pipeline was developed to systematically process diagnostic, calibration and astronomical observations taken with the HIFI science instrument as part of the Herschel mission. The HIFI pipeline ... -
Morphological and Multifractal Analyses of Retinal Amyloid Deposits for Staging in Alzheimer's Disease
(University of Waterloo, 2020-02-12)Dementia is a neurodegenerative condition that leads to loss of cognitive ability, typically in older adults. Alzheimer's disease (AD) is the most common cause of dementia and affects millions of people worldwide. The ... -
Enhanced photo-stability of inverted organic solar cells via using polyethylenimine in the electron extraction layers
(Elsevier, 2019-10)The influence of using Polyethylenimine (PEI) in the electron extraction layers (EELs) on the photo-stability of inverted organic solar cells (OSCs) is investigated. Results show that introducing PEI in the commonly used ... -
Some Results on Qudit Quantum Error-Correction
(University of Waterloo, 2020-01-30)Quantum computing’s seemingly perpetual promise of nearness still has a few hurdles to surmount before it can become a reality. Among these hurdles is that of protection of information from random errors. A potential ... -
Design of a Real-Time Embedded Control System for Quantum Computing Experiments
(University of Waterloo, 2020-01-27)This thesis describes the design of a real-time control system for trapped ion quantum computer experiments. It is framed in the context of the QuantumIon project, a project at the University of Waterloo’s ... -
Subspace Control of Nitrogen Vacancy centers at Zero Field
(University of Waterloo, 2020-01-24)Nitrogen-Vacancy centers negatively charged (NV-) are spin-1 objects in diamond. In the absence of a magnetic field, two of its levels are degenerate, which is why a field is often used to lift the degeneracy and allow ... -
Numerical Engineering of Adiabatic Quantum Operations
(University of Waterloo, 2020-01-23)Adiabatic quantum operations are ubiquitous in fields such as quantum information processing, quantum control, and magnetic resonance, where their high fidelity and general robustness renders them an essential tool for ... -
Ultra Low Dissipation Silicon Nanowire Resonator Arrays for Scanning Probe Applications
(University of Waterloo, 2020-01-23)This work describes the fabrication and characterization of silicon nanowire oscillators for use in ultra-high sensitivity force detection. These structures are optimized for use as scanning probes by fabricating ... -
Probing Dark Matter from the Galaxy to the Cosmic Web
(University of Waterloo, 2020-01-23)Dark matter, although invisible, accounts for the majority of matter of the universe. How this invisible component affects cosmic structure formation is one of the primary lines of inquiry in physical cosmology, and the ... -
Exploring new routes to decoherence-free quantum computing; and quantum thermodynamics for fermions
(University of Waterloo, 2020-01-23)This thesis has two parts; the first part is a contribution to the research field of quantum measurement in quantum optics while the second part focuses on quantum thermodynamics for fermionic systems. The aim of the ...
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