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Results for "departments_tesim:"Department of Physics""
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Wellbore seismic and core sample measurement analysis: integrated geophysical study of the Lake Bosumtwi impact structure, Ghana
DownloadFall 2009
Wellbore seismic measurements were recorded in the Lake Bosumtwi impact structure, Ghana, in 2004. A full range of petrophysical measurements were also performed in the laboratory on core samples from the same boreholes. The Vertical Seismic Profile shows low velocities for both P and S waves in...
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Whispering gallery modes in layered microspheres: mode structure, thermal response, and reactive sensing
DownloadFall 2014
This thesis focuses on the physics of the whispering gallery modes (WGMs) of silica microspheres coated with a layer of fluorescent silicon quantum dots (Si QDs). The basic theory associated with these structures was explored, and we showed how the important physical parameters such as the...
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Fall 2021
In this thesis we study X-ray millisecond pulsars (MSPs) in the Galactic globular clusters (GCs) to better understand the X-ray emission from them. We analyze 55 ks and 290 ks of Chandra X-ray observations of the clusters M13 and Omega Cen, respectively. We find confident X-ray counterparts to...
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Spring 2019
Cataclysmic variables (CVs) are binary stellar systems with a white dwarf (WD) and a companion star that is losing mass to the WD. When the magnetic field of the WD is strong enough, the accreting matter follows its magnetic field lines then falls near a magnetic pole. This leads to emission of...
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Fall 2023
We examine the long-term evolution of accretion tori around the remnants of compact object mergers and the explosions of highly magnetized massive stars to better understand their roles in the creation of optical transients and the synthesis of r-process elements. We begin by modifying the...
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Fall 2011
Osteoporosis is a bone disease characterized by the degradation of mechanical competence and support of the skeleton, leading to fracture risk of the wrist, vertebrae, and hip. The disease is due to major decrease of mass and deterioration of micro-structure of bone tissues. In this study, bone...
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Fall 2011
Guided waves have been successfully used to characterize long bone properties, however the layer of soft tissue covering bone must be considered for guided wave technology to be clinically viable. We analyzed the impact of soft tissue through in vitro experiments on a cortical bone plate with and...
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Fall 2011
Recent shifts towards spatial issues within education are examined, and mapping is identified as particularly important. The multidisciplinary trend of complexity science is surveyed, in turn, through the lens of physics and education research. The provincial education system of Alberta is...