• Black hole dynamics in Effective Field Theory extensions to General Relativity 

  Cayuso, Ramiro (University of Waterloo, 2023-09-22)

  This thesis aims to develop and implement mathematical and numerical techniques to enable the study of deviations from General Relativity (GR) in the nonlinear regime. The focus is on studying the nonlinear dynamics of ...

• The Effects of Uniform Acceleration on the Correlation Harvesting 

  Naeem, Manar (University of Waterloo, 2023-09-22)

  Quantum field theory (QFT) in curved spacetime focuses on the analysis of quantum fields—representing fundamental particles and their interactions—within a curved spacetime geometry, accounting for relativistic effects. Among ...

• Spin-Spin Correlations in the CuAlCr₄S₈ Breathing Pyrochlore 

  Aharony, Itamar (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 ...

• Optimizing Small-scale Redshift Space Distortion Measurements in eBOSS for Cosmological Inference 

  Chapman, Michael (University of Waterloo, 2023-09-21)

  Modern cosmological datasets have grown substantially in size and the precision of their measurements. While the improvement has had a beneficial impact on our understanding of the cosmological model, it requires equal ...

• Design and Implementation of the Real-Time Control System for an Open Trapped Ion Quantum Computing Platform 

  Epstein, Collin Joseph Cunningham (University of Waterloo, 2023-09-08)

  Trapped atomic ions are a promising platform for the implementation of quantum bits and quantum information processors due to advantageous inherent physical properties as well as exquisite experimental control. Trapped ion ...

• Measuring Quantum Correlations of Polarization, Spatial Mode, and Energy-Time Entangled Photon Pairs. 

  Cameron, Andrew (University of Waterloo, 2023-09-07)

  Optical quantum technologies have found applications in all facets of quantum information. Single photons are actively being researched for quantum computation, communication, and sensing, due to their robustness against ...

• Control and Readout of High-Dimensional Trapped Ion Qudits 

  Low, Pei Jiang (University of Waterloo, 2023-09-07)

  The trapped ion platform is one of the quantum computing platforms that is at the forefront for realizing large-scale quantum information processing, which is crucial for practically actualizing the advantages of quantum ...

• Placing Limits on Light Axions with EHT Polarimetry via Closure Traces 

  Wang, Zhiren (University of Waterloo, 2023-08-31)

  Black holes can amplify incoming bosonic waves via rotational superradiance, inducing bound states of ultralight bosons around them. This phenomenon has the potential to confine the parameter spaces of new bosons. Axions, ...

• Ablation loading and qudit measurements with barium ions 

  Bramman, Brendan (University of Waterloo, 2023-08-31)

  Barium is one of the best ions for performing quantum information in a trapped-ion system. Its long-lived metastable D5/2 state allows for some interesting quantum operations, including the current best state preparation ...

• Using Black Hole Environments as Laboratories for Testing Accretion and Gravity 

  Georgiev, Boris (University of Waterloo, 2023-08-29)

  With the advent of the Event Horizon Telescope (EHT), we have the ability to observe the lensed emission from hot plasmas near event horizons. It contains entangled information about the turbulent magnetohydrodynamic ...

• Toward a theory of everything 

  Jia, Ding (University of Waterloo, 2023-08-21)

  A physical theory of everything is supposed to tell us: (1) The dynamical laws for matter and gravity; (2) The boundary condition of the universe; (3) The relation between the theory and experience. I present a personal ...

• Star Formation and Quenching in Galaxies: Groups, Clusters, and Mergers 

  Reeves, Andrew (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 ...

• Wigner negativity on the sphere 

  Davis, Jack (University of Waterloo, 2023-08-15)

  The rise of quantum information theory has largely vindicated the long-held belief that Wigner negativity is an indicator of genuine nonclassicality in quantum systems. This thesis explores its manifestation in spin-j ...

• Quantum Algorithms for Interpolation and Sampling 

  Motamedi, Arsalan (University of Waterloo, 2023-08-15)

  Gibbs sampling from continuous real-valued functions is a challenging problem of interest in machine learning. Here we leverage quantum Fourier transforms to build a quantum algorithm for this task when the function is ...

• Near-Term Quantum Algorithms for Classical Sampling 

  Orfi, Alev (University of Waterloo, 2023-08-14)

  In the current era of noisy intermediate-scale quantum devices, quantum sampling algorithms have been of great interest as they permit errors in their execution while maintaining their advantage over classical counterparts ...

• Exotic Circuits for Enhanced Quantum Algorithms and Computation 

  Chan, Albie (University of Waterloo, 2023-08-09)

  Quantum circuits play an essential role in many disciplines of quantum information science. They can not only be represented in the traditional gate-based paradigm, but also an alternative measurement-based paradigm. The ...

• Black holes in cosmological spacetimes and alternative theories of gravity 

  corman, maxence (University of Waterloo, 2023-08-09)

  This thesis is dedicated to the study of spacetimes surrounding black holes within the context of cosmology, high energy physics and modified theories of gravity. We do this by applying and adapting modern numerical ...

• Chaos and dynamical instability in a closed kicked system 

  Anand, Amit (University of Waterloo, 2023-08-08)

  Quantum-classical correspondence plays an important role in understanding the emergence of classical chaos from underlying quantum mechanics. However, the transition from quantum to classical is not straightforward. Here ...

• Photon Rings and Shadow Size for General Integrable Spacetimes 

  Salehi, Kiana (University of Waterloo, 2023-08-08)

  According to the no-hair theorem, the unique characteristics of astrophysical black holes are their masses and spins. However, recent observations from the Event Horizon Telescope (EHT) images of M87 and Sgr A* have ...

• Interactions, Entanglement, and Anomalies in Topological Semimetals 

  Yang, Lei (University of Waterloo, 2023-08-04)

  Topology and symmetry have become one of the backbones of modern condensed matter physics. These concepts play a large role in determining the possible effects of interactions and entanglement in both gapped and gapless ...

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