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

(Non)Invertible Topology in Quantum Field Theory
(University of Waterloo, 20230605)This thesis aims to highlight aspects of mathematics and physics that arise in topological field theories. We will consider invertible and noninvertible topological theories. In the former case, we compute the classification ... 
Weak Coherent Pulse Source and Polarization Control for Quantum Key Distribution
(University of Waterloo, 20230530)The Quantum EncrYption and Science Satellite will demonstrate quantum communication from space. One demonstration will be a satellite uplink using a weak coherent pulse source. This thesis will discuss work in minimizing ... 
Aspects of Anomaly in Condensed Matter Physics
(University of Waterloo, 20230530)Anomalies have proven to be an important tool for unraveling the enigmatic properties of stronglycoupled condensed matter systems. Especially, it provides powerful constraints on the emergibility problem, i.e., whether a ... 
The Roles of Causal Propagator in Relativistic Quantum Information
(University of Waterloo, 20230529)This thesis focuses on the roles of causal propagator — the expectation value of the field commutator — in relativistic quantum information. Consider two observers Alice and Bob, each carrying a twolevel quantum system ... 
Construction of a Shielded Thermal Hall Measurement Device
(University of Waterloo, 20230526)A shielded thermal Hall experimental setup is being constructed and is nearing completion. An existing conventional thermal conductivity experiment was retrofit to perform thermal Hall measurements, which included the ... 
Locality and Exceptional Points in PseudoHermitian Physics
(University of Waterloo, 20230526)PseudoHermitian operators generalize the concept of Hermiticity. Included in this class of operators are the quasiHermitian operators, which define a generalization of quantum theory with realvalued measurement outcomes ... 
Representation, Characterization, and Mitigation of Noise in Quantum Processors
(University of Waterloo, 20230526)Quantum computers have the potential to outperform classical computers on several families of important problems, and have a great potential to revolutionize our understanding of computational models. However, the presence ... 
Tracing galaxy evolution through the reconstruction of their star formation histories
(University of Waterloo, 20230524)This thesis studies the star formation histories (SFHs) of galaxies in order to understand the nature of 'quenching.' The suppression of star formation, i.e., quenching, over the history of the Universe results in a growing ... 
Quantum Aspects of Black Holes: From Microstates to Echoes and Somewhere InBetween
(University of Waterloo, 20230523)In this thesis we explore quantum aspects of black holes from a variety of perspectives. In part I of this thesis we are motivated by the black hole information paradox to explore the idea of gravitational wave echoes ... 
Advancing the robustness of polarization and time bin quantum key distribution for freespace channels
(University of Waterloo, 20230515)Quantum networks are an emerging technology that aims to harness the power of quantum mechanics to revolutionize communication and computation. Many countries are establishing national quantum networks to modernizing their ... 
Superconducting flux circuits for coherent quantum annealing
(University of Waterloo, 20230504)Quantum annealing is a method with the potential to solve hard optimization problems faster than any classical method. In the near term, quantum annealing is particularly appealing due to its low control requirement, ... 
Magnetic Excitations in Transport Measurements of Novel Quantum Materials
(University of Waterloo, 20230427)Quantum materials offer rich possibilities for quasiparticles that can revolutionalize our technology. The discovery of novel delocalized magnetic excitations in transport measurements implies that such quasiparticles are ... 
Stable polymer glasses
(University of Waterloo, 20230426)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 ... 
PrePrivacy Amplification: A PostProcessing Technique for Quantum Key Distribution with Application to the Simplified Trusted Relay
(University of Waterloo, 20230426)Until quantum repeaters and quantum error correcting codes can be made commercially viable, long distance quantum key distribution (QKD) will continue to rely on trusted relay satellites. Strongly constrained by weight ... 
Characterization of Detector and Electron Source for Inverse Photoemission Spectrometer
(University of Waterloo, 20230217)The inverse photoemission spectroscopy (IPES) is a powerful tool to probe the unoccupied energy states of materials, such the surface states of metals or the unoccupied states of high temperature superconductors. IPES ... 
Symmetry Breaking, OrderbyDisorder, Fragmentation, and SpinLiquids in the Magnetic Pyrochlore Lattice with Anisotropic Interactions
(University of Waterloo, 20230126)Within the study of frustrated magnetism, the pyrochlore lattice is deemed a fruitful ground where phenomena such as quantum and thermal orderbydisorder, moment fragmentation, and spinliquids, both quantum and classical, ... 
Analysis of the Thermal Fisher Information in 2+1 Dimensional Black Hole Spacetimes
(University of Waterloo, 20230124)In the past decade, relativistic quantum information (RQI) has presented itself as a promising avenue for examining the interaction between relativistic and quantum effects. This is most commonly achieved by coupling ... 
Revisiting the RadioMechanical Feedback in Brightest Cluster Galaxies
(University of Waterloo, 20230123)The selfregulated feedback from the Active Galactic Nucleus (AGN) plays a key role in the formation and evolution of galaxies by heating and expelling gas in galaxies. The goal of this thesis is to investigate the role ... 
Electronic Transport Properties in Singlelayer CVD graphene
(University of Waterloo, 20230123)Graphene is a twodimensional material of carbon atoms possessing a metallic nature and the lowenergy quasiparticles behave as massless Dirac fermions. The unique electronic properties of graphene inspire many researches ... 
Superconducting Proximity Effect in Nanowire Josephson Junctions
(University of Waterloo, 20230113)Semiconducting nanowires contacted with superconductors are an interesting class of hybrid mesoscopic devices, in which charge transport is quantum mechanical due to the confinement potential of the nanowire, as well as ...