Browsing Physics and Astronomy by Title
Now showing items 509-528 of 770
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Programmable Individual Addressing and Floquet Hamiltonian Dynamics in a Trapped Ion Quantum Processor
(University of Waterloo, 2023-09-26)Trapped ions have been gaining traction as a platform for quantum information processing (QIP) in both academia and industry over the last decade. Their long coherence time, high fidelity gate operations, and built-in ... -
Properties of Carbon Nanomaterials Produced by Ultrashort Pulsed Laser Irradiation
(University of Waterloo, 2012-08-29)Two synthesis pathways were employed throughout this work to create a variety of unique carbon materials. The first of these routes involves the photo-dissociation of liquids by direct irradiation with ultrashort laser ... -
Proposed Methods For Measuring and Interpreting Mueller Matrices in In Vivo Retinal Polarimetry
(University of Waterloo, 2020-12-23)Mueller matrix polarimetry is the examination of how a sample transforms the polarization state of light. This requires probing the sample with input light of a variety of generated polarization states and analyzing the ... -
The PROSPECT reactor antineutrino experiment
(Elsevier, 2019-04-01)The Precision Reactor Oscillation and Spectrum Experiment, PROSPECT, is designed to make both a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and to probe eV-scale sterile neutrinos ... -
A Purity Benchmarking Study of Superconducting Single-qubit Fluctuations
(University of Waterloo, 2023-07-31)Quantum processes are susceptible to errors. Over the years, numerous noise models, such as two-level system noise and flux noise, have been proposed by physicists to describe the mechanisms behind the error sources ... -
Quantum Algorithmic Techniques for Fault-Tolerant Quantum Computers
(University of Waterloo, 2019-10-01)Quantum computers have the potential to push the limits of computation in areas such as quantum chemistry, cryptography, optimization, and machine learning. Even though many quantum algorithms show asymptotic improvement ... -
Quantum Algorithms for Interpolation and Sampling
(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 ... -
The quantum and the gravity: Newtonian and Cosmological applications
(University of Waterloo, 2018-07-18)The gravitational decoherence field studies the suppression of coherence in quantum systems caused by effects rooted in the gravitational interaction. This models are not just important to yield interesting ideas about the ... -
Quantum Annealing: Research and Applications
(University of Waterloo, 2021-09-28)This thesis studies several aspects of the quantum annealing (QA) computing approach. Quantum annealers' primary objective is to solve hard computational optimization problems. Because these optimization problems are in ... -
Quantum Aspects of Black Holes: From Microstates to Echoes and Somewhere In-Between
(University of Waterloo, 2023-05-23)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 ... -
Quantum Black Holes in the Sky
(University of Waterloo, 2020-09-30)Black Holes are possibly the most enigmatic objects in our Universe. From their detection in gravitational waves upon their mergers, to their snapshot eating at the centres of galaxies, black hole astrophysics has undergone ... -
Quantum Blind Data Compression and Structure of Quantum Operations Approximately Preserving Quantum States
(University of Waterloo, 2021-07-29)In this thesis, we investigate a variation of quantum information processing tasks, blind data compression, and we analyze an approximation of a structure of a set of quantum states closely related to the task, which is ... -
Quantum Computational Particle Physics: Algorithms, Resource Estimation, and Model-Building
(University of Waterloo, 2022-03-24)Quantum simulation is one of the most promising applications of quantum computers. It is anticipated that quantum simulation will accelerate scientific discovery, and advance our understanding of nature. One area that ... -
Quantum correlations in a noisy neutron interferometer
(American Physical Society, 2014-09-15)We investigate quantum coherences in the presence of noise by entangling the spin and path degrees of freedom of the output neutron beam from a noisy three-blade perfect crystal neutron interferometer. We find that in the ... -
Quantum critical responses via holographic models and conformal perturbation theory
(University of Waterloo, 2017-06-15)We investigate response functions near quantum critical points, allowing for finite temperature and a mild deformation by a relevant scalar. When the quantum critical point is described by a conformal field theory, we use ... -
Quantum dot devices in silicon and dopant-free GaAs/AlGaAs heterostructures
(University of Waterloo, 2021-01-29)Single spin quantum dot qubits in silicon are a promising candidate for a scalable quantum processor due to their long coherence times, compact size, and ease of integration into existing fabrication technologies. Realizing ... -
Quantum Gates and Decoupling in Qubits with Fixed Transverse Coupling
(University of Waterloo, 2017-05-25)Among all the quantum computer candidates, the superconducting system is one of the most convincing platforms due to its strong couplings and scalability. To be more specific, this thesis focuses on the superconducting ... -
Quantum Gravity Renormalization Group
(University of Waterloo, 2020-07-27)Investigations relating the emergence of the radial direction in the holography, solvable irrelevant deformations of conformal eld theories and holographic entanglement entropy are reported. Emphasis is laid on how ... -
Quantum groundstates of the spin-1/2 XXZ model on a fully-frustrated honeycomb lattice
(University of Waterloo, 2010-10-01)In this thesis we present results from quantum Monte Carlo for the fully-frustrated honeycomb lattice. The XXZ model is of interest in the classical limit, as there is a mapping between the classical fully-frustrated ... -
Quantum Information across Spacetime: From Gravitational Waves to Spinning Black Holes
(University of Waterloo, 2021-08-20)This thesis is split into two parts. In the first part, we investigate Bose-Einstein condensates (BECs) as a means to detect gravitational waves. For the detection of continuous gravitational waves, we study its sensitivity ...