Browsing Physics and Astronomy by Title
Now showing items 322-341 of 768
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Inverse Partial Fluorescence Yield Spectroscopy
(University of Waterloo, 2011-08-30)X-ray absorption spectroscopy (XAS) is a powerful probe of electronic and spatial structure that has been at the heart of many advances in physics, biology, chemistry, engineering and the earth sciences. Unfortunately, the ... -
Investigating future galaxy surveys of cosmological large-scale structure
(University of Waterloo, 2022-09-26)My thesis consists of the two following projects: 1-Testing Large-Scale Structure Measurements against Fisher Matrix Analysis (Chapter 2): We compare Baryonic Acoustic Oscillation (BAO) and Redshift Space Distortion ... -
Investigating Photonic Quantum Computation
(University of Waterloo, 2007-09-28)The use of photons as qubits is a promising implementation for quantum computation. The inability of photons to interact, especially with the environment, makes them an ideal physical candidate. However, this also makes ... -
An Investigation and Application of the Finite Difference Time Domain Method as a Tool for Solving Equalization Problems in Acoustics
(University of Waterloo, 2010-01-25)This thesis investigates the issues in deriving the Finite Di erence Time Domain Method, including the derivation of a unique method for exciting an FDTD system that is physically realistic in terms of acoustics. It is ... -
An investigation of low energy quasiparticle excitations via thermal conductivity measurements
(University of Waterloo, 2012-10-26)Thermal conductivity measurements are made on a variety of systems in order to probe low energy quasiparticle excitations. In particular, thermal conductivity measurements were made on the iron based superconducting ... -
An investigation of low energy quasiparticle excitations via thermal transport measurements
(University of Waterloo, 2017-06-16)Thermal transport measurements can provide a unique perspective of the nature of a system by exploring the behaviour of the low energy excitations from the ground state. Delocalized quasiparticle excitations can affect ... -
Investigation of Photon Interactions with Semiconductor Quantum Dot Devices for Quantum Communication Applications
(University of Waterloo, 2020-01-21)A major goal in the field of quantum communication is to achieve long-distance (>100 km) transmission of quantum information, which would allow for the formation of a global quantum network. Devices called 'quantum repeaters' ... -
Investigations of InAsP/InP Semiconductor Devices for Quantum Communication Technologies
(University of Waterloo, 2015-01-19)This thesis presents a set of magnetotransport experiments which explore the advantages of InAsP/InP quantum well material and quantum dot structures for spin/photon devices, with a view towards quantum communication. The ... -
Isotropic-Helicoidal Transition of Semiflexible Polymers Confined to a Spherical Surface
(University of Waterloo, 2009-01-15)A semiflexible polymer confined to a spherical surface is used as a basic model for understanding DNA conformation in restricted space. By means of Monte Carlo simulation for a bead-rod chain generated on a spherical ... -
Large-Scale Filaments From Weak Lensing
(University of Waterloo, 2015-10-01)In the context of non-linear structure formation, a web of dark filaments are expected to intersect the high density regions of the universe, where groups and clusters of galaxies will be forming. In this work we have ... -
Laser-Based Imaging of Novel Charge Density Wave and Superconducting Materials
(University of Waterloo, 2021-06-02)The following thesis presents experimental study of two crystalline materials which show correlated electron phases. The first material 1T-TaS2 is a two-dimensional van-der-Waals material. This family of materials ... -
Laser-cooled Atomic Ensembles in Hollow Optical Fibers
(University of Waterloo, 2021-05-06)This thesis explores hollow-core fibres as a platform for quantum optics experiments with laser-cooled atomic ensembles. The non-diffracting, tightly-confined guided modes of these fibers grant us a ~µm-wide one-dimensional ... -
Laser-initiated Coulomb explosion imaging of small molecules
(University of Waterloo, 2008-09-02)Momentum vectors of fragment ions produced by the Coulomb explosion of CO2z+ (z = 3 - 6) and CS2z+ (z = 3 - 13) in an intense laser field (~50 fs, 1 x 1015 W/cm2) are determined by the triple coincidence imaging technique. ... -
Late-universe signals in the microwave sky: extragalactic dust, electrons, and other baryonic effects
(University of Waterloo, 2021-06-07)This thesis collects much of the work I have done over the last four years as a PhD student. It has two focuses. Part 1 discusses gravitational radiation emitted from two maximally charged black holes in Einstein--Maxwell--dilaton ... -
Line-Scan Spectral-Domain Optical Coherence Tomography for Cellular Resolution Structural and Vascular Imaging of Biological Tissues
(University of Waterloo, 2022-06-07)Optical coherence tomography (OCT) is an optical interferometric technique for non-invasive contactless imaging of the cellular-level structures of biological tissues. However, the application of OCT for in-vivo volumetric ... -
Liquid Crystal State NMR Quantum Computing - Characterization, Control and Certification
(University of Waterloo, 2013-08-30)Quantum computers offer the possibility of solving some problems more efficiently than their classical counterparts. The current forerunner in the experimental demonstration of quantum algorithms is Nuclear Magnetic Resonance ... -
Local Group Analogues
(University of Waterloo, 2012-09-27)The abundance of satellite galaxies is a critical small-scale test of the standard cosmological model. From comparing the predictions of structure formation in simulations with observations of Local Group dwarf galaxies ... -
Locality and Exceptional Points in Pseudo-Hermitian Physics
(University of Waterloo, 2023-05-26)Pseudo-Hermitian operators generalize the concept of Hermiticity. Included in this class of operators are the quasi-Hermitian operators, which define a generalization of quantum theory with real-valued measurement outcomes ... -
Loop Optimization of Tensor Network Renormalization: Algorithms and Applications
(University of Waterloo, 2019-05-22)Loop optimization for tensor network renormalization (loop-TNR) is a real-space renormalization group algorithm suitable for studying 1+1D critical systems. While the original proposal by Yang et al. focused on classical ... -
The Low Temperature Magnetic Relaxation of Dy₂Ti₂O₇
(University of Waterloo, 2012-09-26)The recent formulation of the monopole picture of spin ice[1, 2, 3], has lead to several studies of the signatures of monopole excitations[2, 4], as well as studies of the motion of magnetic monopoles[5, 6, 7]. In this ...