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Browsing Physics Theses and Dissertations by Issue Date
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Now showing items 1-20 of 183
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(University of Oregon, 1986-06)The Fock-Tani (unitary) transformation of the second- quantized Hamiltonian gives a representation which treats reactants and products symmetrically, and composites exactly. Each term in the Fock-Tani potential corresponds ...
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(1994-06)In this dissertation we study the interaction of a single atom with a single mode of the electromagnetic field in an optical cavity. We emphasize strong coupling conditions, where the dipole coupling strength is larger ...
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(University of Oregon, 2000)An atomic-level description of the presumed catalytic action of β-galactosidase is described. This large enzyme, from E. coli , carries out two reactions which allow the bacterium to live on the disaccharide lactose. ...
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(University of Oregon, 2006-03)We investigate models describing two classes of microresonators: those having the shape of a dome, and those having an oval (deformed circle or sphere) shape. We examine the effects of dielectric interfaces in these ...
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(University of Oregon, 2007-12)The effects of sulfur alloying on the electronic properties of CuIn(SeS) 2 and CuInGa(SeS) 2 materials has been investigated using sophisticated junction capacitance techniques including drive-level capacitance profiling ...
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(University of Oregon, 2008-03)We present experimental and theoretical studies of a hemispherical, high-solid-angle external optical micro-cavity strongly coupled to nanoscale optical centers for cavity-quantum electrodynamics (QED) strong coupling and ...
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(University of Oregon, 2008-03)A growing interest in the physics of complex systems such as in the transition-metal oxide family has exploded recently, especially in the last 20 years or so. One notable effect is the change in electrical resistivity of ...
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(University of Oregon, 2008-06)This dissertation investigates the interplay between, and the possible coexistence of, magnetic and superconducting order in metals. We start with studying the electromagnetic properties of s-wave superconductors near a ...
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(University of Oregon, 2008-06)Using approximately 350 million à + à - pair events recorded with the BaBar detector at the Stanford Linear Accelerator Center between 1999 and 2006, a search has been made for neutrinoless, lepton-flavor ...
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(University of Oregon, 2008-06)Brownian ratchets generate transport at the micron scale with the help of thermal motion. The Brownian ratchet studied here is the flashing ratchet which transports particles by switching on and off a spatially asymmetric, ...
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(University of Oregon, 2008-09)In this thesis we theoretically and experimentally investigate the subwavelength manipulation of light with nano-scale patterned metallodielectric resonators. By coupling light to surface plasmon excitations, we calculate ...
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(University of Oregon, 2008-09)Biological molecular motors, which use chemical energy from ATP hydrolysis to generate mechanical force, are involved in a variety of important mechanical processes in eukaryotic cells, such as intracellular transport, ...
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(University of Oregon, 2008-09)The amount of solar radiation at the earth's surface is modulated by fluctuations in aerosol density and cloud optical depth--two uncertain factors in climate change studies. The University of Oregon Solar Radiation ...
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(University of Oregon, 2008-09)We report on a study of the invariant mass spectrum of the hadronic system in à - [arrow right] à - à 0 à à à à à ½ à decays. This study was performed using data obtained with the ...
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The effect of geometry and surface morphology on the optical properties of metal-dielectric systems (University of Oregon, 2008-09)We analyze the effect of geometry and surface morphology on the optical properties of metal-dielectric systems. Using both analytical and numerical modeling, we study how surface curvature affects the propagation of surface ...
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(University of Oregon, 2008-09)Electron spin coherence can arise through a coherent superposition of two spin states in the conduction band of a semiconductor and can persist over remarkably long time and length scales. The robust nature of electron ...
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(University of Oregon, 2008-09)High efficiency thin film solar cells have the potential for being a world energy solution because of their cost-effectiveness. Looking to the future of solar energy, there is the opportunity and challenge for thin film ...
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(University of Oregon, 2008-09)The abundance of B mesons at B factories opens the door to the search in rare decays for physics outside of the Standard Model. Flavor-changing neutral current transitions proceed only via higher order in the Standard ...
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(University of Oregon, 2008-09)This dissertation describes the development of an apparatus that can accommodate many atom-optics experiments, as well as an experimental demonstration of an optical one-way barrier for neutral atoms. The first part of ...
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(University of Oregon, 2008-12)The electrical properties of conducting polymer-based devices are investigated in order to better understand charge transport through conducting polymers and charge transfer at conducting polymer interfaces with metals and ...
Now showing items 1-20 of 183