Search results
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Title
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SOLUTION OF A 1-D INVERSE PROBLEM BY THE CONVEXIFICATION METHOD
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Author
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Abney, Ray
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Date Created
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2019
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Subjects--Topical
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Mathematics, Physics
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Description
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In this thesis, we demonstrate a method outlined by Dr. Mikhail Klibanov for solving a 1-D coefficient inverse problem by the convexification method. Our inverse problem in question concerns finding buried bombs, where the dielectric constants of ...
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Title
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NONPROPAGATING EXCITATIONS IN 2-D
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Author
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Abney, Ray
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Date Created
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2020
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Subjects--Topical
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Physics
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Description
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Nonpropagating excitations have been studied in 1-D and in 3-D, but not so much in 2-D. So, this thesis concerns 2-D nonpropagating excitations. In particular, we construct nonpropagating excitations confined to an annulus under a time-independent...
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Title
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WAVEGUIDE, PHOTODETECTOR, AND IMAGING APPLICATIONS OF MICROSPHERICAL PHOTONICS
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Author
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Allen, Kenneth
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Date Created
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2014
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Subjects--Topical
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Optics, Engineering, Physics
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Description
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Dielectric microspheres with diameters (D) on the order of several wavelengths of light have attracted increasing attention from the photonics community due to their ability to produce extraordinarily tightly focused beams termed "photonic nanojet...
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Title
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Discrete Element Simulations of Powder Spreading in Additive Manufacturing
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Author
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Amrapurkar, Parth
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Engineering, Physics
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Description
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Powder spreading plays a critical role in the quality of parts produced with selective laser sintering (SLS). Some of the important parameters that influence the quality of the powder bed are the powder particle size and distribution, blade speed,...
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Title
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Functional Dynamics in Beta-Lactamase: Insights into Substrate Recognition and Inhibition
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Author
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Avery, Christopher
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Date Created
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2023
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Subjects--Topical
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Bioinformatics, Biophysics, Physics
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Description
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Beta-lactamase proteins are among the most prominent causes of antibiotic resistance. These enzymes confer resistance to beta lactam antibiotics, which are commonly used to treat bacterial infections. In recent years, novel beta-lactamase have eme...
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Title
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A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
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Author
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Bigdelou, Pedram
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Date Created
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2020
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Subjects--Topical
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Fluid mechanics, Physics
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Description
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Shock-driven multi-material flows occur in several applications including shock wave lithotripsy, underwater explosions, droplet combustion, propeller cavitation and ejection of material from surfaces subject to blast loading. Such flows are highl...
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Title
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Extending Topological Constraint Theory to Glass Networks with Hydrogen Bonding
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Author
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Bloom, Austin
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Date Created
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2023
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Subjects--Topical
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Physics, Condensed matter
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Description
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Topological constraint theory has been successful in providing a simple model forthe liquid-glass transition in covalent bond bending networks. However, it is lim- ited to networks where all bonds are quenched and possess equivalent potential well...
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Title
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CHARACTERIZATION OF LIGHT-META STRUCTURE INTERACTIONS
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Author
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Chandra, Nitish
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Date Created
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2018
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Subjects--Topical
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Optics, Physics
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Description
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The advent of metamaterials has increased the complexity of possible light-matter interactions, creating gaps in knowledge and violating various commonly used approximations and rendering some common mathematical frameworks incomplete. Our forward...
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Title
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Evaluation of curved surfaces with x-ray reflectometry
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Author
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Cole, Jacob
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Date Created
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2022
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Subjects--Topical
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Mechanical engineering, Physics
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Description
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This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...
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Title
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Characterization of Individual Straight and Kinked Boron Carbide Nanowires
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Author
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Cui, Zhiguang
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Date Created
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2016
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Subjects--Topical
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Materials science, Nanoscience, Physics
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Description
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Boron carbides represent a class of ceramic materials with p-type semiconductor natures, complex structures and a wide homogeneous range of carbon compositions. Bulk boron carbides have long been projected as promising high temperature thermoelect...
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Title
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Optical super-resolution and periodical focusing effects by dielectric microspheres
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Author
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Darafsheh, Arash
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Date Created
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2013
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Subjects--Topical
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Optics, Physics, Biomedical engineering
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Description
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Optical microscopy is one of the oldest and most important imaging techniques; however, its far-field resolution is diffraction-limited. In this dissertation, we proposed and developed a novel method of optical microscopy with super-resolution by ...
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Title
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A Detailed Description of Keldysh's Model of Photoionization
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Author
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Darden, Kenan
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Date Created
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2023
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Subjects--Topical
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Physics, Optics, Quantum theory
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Description
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Leonid Keldysh’s 1965 paper "Ionization in the Field of a Strong Electromagnetic Wave" contains useful and simple-to-implement equations predicting the rate of photoionization in both atomic gasses and general crystalline solids. Crucially, his re...
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Title
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ESSENTIAL DYNAMICS OF PROTEINS USING GEOMETRICAL SIMULATIONS AND SUBSPACE ANALYSIS
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Author
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David, Charles
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Date Created
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2012
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Subjects--Topical
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Physics, Bioinformatics, Biophysics
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Description
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Essential dynamics is the application of principal component analysis to a dynamic trajectory derived from a simulation protocol in order to extract biologically relevant information contained in the high dimensional data. In this work, we apply t...
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Title
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RED FLUORESCENCE IN BOVINE SERUM ALBUMIN – GOLD COMPLEXES
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Author
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Dixon, Jacob
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Date Created
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2019
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Subjects--Topical
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Optics, Physics
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Description
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Bovine serum albumin (BSA)-gold (Au) complexes have been studied in great detail due to their unique red fluorescent (λem = 640 nm) properties, since being initially described by Xie et al. (J. Am. Chem. Soc. 2009, 131, 888-889) as a Au25 nanoclus...
