Browsing Physics and Astronomy by Title
Now showing items 278-297 of 767
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High Rate, Large Area Laser-assisted Chemical Vapor Deposition of Nickel from Nickel Carbonyl
(University of Waterloo, 2009-05-01)High-power diode lasers (HPDL) are being increasingly used in industrial applications. Deposition of nickel from nickel carbonyl (Ni(CO)4) precursor by laser-induced chemical vapor deposition (CVD) was studied with emphasis ... -
HIGH RESOLUTION MICROWAVE SPECTROSCOPY OF ULTRA COLD RYDBERG ATOMS AS A PROBE OF ELECTRIC AND MAGNETIC FIELDS
(University of Waterloo, 2003)In highly excited Rydberg atoms, the excited electron is in a large, loosely bound orbit. Hence, in contrast with the ground states, the Rydberg states are very sensitive to external electric field and can be ionized in ... -
Higher dimensional Taub-NUT spaces and applications
(University of Waterloo, 2006)In the first part of this thesis we discuss classes of new exact NUT-charged solutions in four dimensions and higher, while in the remainder of the thesis we make a study of their properties and their possible applications. ... -
Hillock-free and atomically smooth InSb QWs grown on GaAs substrates by MBE
(Elsevier, 2019-05-01)Comprehensive studies on the surface morphological evolution of AlInSb metamorphic buffers and InSb QWs grown on top were conducted as a function of the GaAs (0 0 1) substrate offcut angles. We confirmed our earlier ... -
Hodge Theory for Geometrically Frustrated Magnetism
(University of Waterloo, 2022-09-29)We present an analytical formalism based on the concept of discrete differential forms and Hodge theory as a framework for understanding geometrically frustrated magnetism. The primary insight is to treat spins as a 1-form ... -
Holographic Correspondence and Exploring New Regimes of AdS/CFT Duality
(University of Waterloo, 2013-06-21)We aim to have a comprehensive understanding of holographic correspondence and to demonstrate how the holographic correspondence (or renormalization) can be applied. Thus this thesis is divided into two parts. The first ... -
Holographic Entanglement Entropy: RG Flows and Singular Surfaces
(University of Waterloo, 2012-08-23)Over the past decade, the AdS/CFT correspondence has proven to be a remarkable tool to study various properties of strongly coupled field theories. In the context of the holography, Ryu and Takayanagi have proposed an ... -
Holographic Experiments on Defects
(University of Waterloo, 2009-09-03)Using the AdS/CFT correspondence, we study the anisotropic transport properties of both supersymmetric and non-supersymmetric matter fields on (2+1)-dimensional defects coupled to a (3+1)-dimensional N=4 SYM "heat bath". ... -
Holographic Optical Manipulation of Trapped Ions for Quantum Simulation
(University of Waterloo, 2019-09-26)Trapped ion is one of the leading platforms for quantum simulation experiment due to its long coherence time and high fidelity state initialization, detection, and manipulation. To individually address ions at a single-ion ... -
Holographic studies of thermal gauge theories with flavour
(University of Waterloo, 2007-09-12)The AdS/CFT correspondence and its extensions to more general gauge/gravity dualities have provided a powerful framework for the study of strongly coupled gauge theories. This thesis explores properties of a large class ... -
Holography with a neutron interferometer
(The Optical Society, 2016-10-03)We use a Mach-Zehnder interferometer to perform neutron holography of a spiral phase plate. The object beam passes through a spiral phase plate, acquiring the phase twist characteristic of orbital angular momentum states. ... -
Horizon Thermodynamics from Einstein's Equation of State
(University of Waterloo, 2017-04-28)The striking resemblance between geometric theories of gravity and thermodynamics suggests a more fundamental relationship between the two seemingly distinct theories. It has been postulated that the radial Einstein ... -
How are molecular crowding and the spatial organization of a biopolymer interrelated
(Royal Society of Chemistry, 2016-10-21)In a crowded cellular interior, dissolved biomolecules or crowders exert excluded volume effects on other biomolecules, which in turn control various processes including protein aggregation and chromosome organization. As ... -
Hunting for the Primordial Quenched Population in 2 < z < 2.5 COSMOS Protoclusters
(University of Waterloo, 2024-01-17)We present an analysis of the galaxy stellar mass function (SMF) of 14 known protoclusters between 2.0 < z < 2.5 in the COSMOS field, down to a mass limit of 10⁹ᐧ⁵ M⊙. We use existing photometric redshifts with a statistical ... -
H₂¹⁸O and H₂¹⁶O in Intermediate Mass Star Formation Regions
(University of Waterloo, 2018-09-20)While the process of low mass (LM) star formation is a well studied area of astrophysics, the formation of high mass (HM) stars is much more complicated. The study of intermediate mass (IM) star formation is expected to ... -
Imaging Molecular Structures with Femtosecond Laser Pulses: Experimental Apparatus Development and Computational Geometry Reconstruction
(University of Waterloo, 2024-01-15)A joint facility with the University of Waterloo and the Advanced Laser Light Source has been constructed, in order to explore the behavior of ions and electrons during ultrafast molecular dynamics. The sophisticated ... -
Impact of contact lens wear on epithelial alterations in keratoconus
(Elsevier, 2021-03)Purpose The purpose of this study was to characterize the central epithelial thickness (CET) of penetrating keratoplasty corneal specimens obtained from patients with keratoconus (KC) and correlate the histological patterns ... -
Impact of Geometric Uncertainties on Dose Calculations for Intensity Modulated Radiation Therapy of Prostate Cancer
(University of Waterloo, 2008-01-29)IMRT uses non-uniform beam intensities within a radiation field to provide patient-specific dose shaping, resulting in a dose distribution that conforms tightly to the planning target volume (PTV). Unavoidable geometric ... -
Implementation of a Universal Fine-Structure Splitting Eraser for Quantum Dots
(University of Waterloo, 2024-01-04)Entangled photons are an important resource for different applications in quantum computation, quantum information, and quantum communication. Sources based on semiconductor quantum dots have successfully obtained on-demand, ... -
Implementations and applications of Renyi entanglement in Monte Carlo simulations of spin models
(University of Waterloo, 2013-09-27)Although entanglement is a well studied property in the context of quantum systems, the ability to measure it in Monte Carlo methods is relatively new. Through measures of the Renyi entanglement entropy and mutual information ...