Browsing Physics and Astronomy by Title
Now showing items 316-335 of 767
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Interaction of Nanosecond and Femtosecond Laser Pulses with Carbon: Deposition of Carbon Films having Novel Compositions
(University of Waterloo, 2008-05-22)A comparison of the composition and structure of carbon films deposited by ns and fs laser ablation of graphite is the subject of this thesis. In addition, the effect of irradiation on the surface of graphite has been ... -
Interactions of Cationic Peptides and Ions with Negatively Charged Lipid Bilayers
(University of Waterloo, 2006)In this thesis we study the interactions of ions and cationic peptides with a negatively charged lipid bilayer in an ionic solution where the electrostatic interactions are screened. <br /><br /> We first examine the ... -
Interactions, Entanglement, and Anomalies in Topological Semimetals
(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 ... -
Interplay of Disorder and Transverse-Field Induced Quantum Fluctuations in the LiHo_xY_{1-x}F_4 Ising Magnetic Material
(University of Waterloo, 2008-08-25)The LiHo_xY_{1-x}F_4 magnetic material in a transverse magnetic field B_x perpendicular to the Ising spin direction has long been used to study tunable quantum phase transitions in pure and random disordered systems. We ... -
Interpolated Collision Model Formalism
(University of Waterloo, 2020-09-16)The dynamics of open quantum systems (i.e., of quantum systems interacting with an uncontrolled environment) forms the basis of numerous active areas of research from quantum thermodynamics to quantum computing. One approach ... -
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 ...