Department of Physics: Recent submissions
Now showing items 1-20 of 197
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Relation Between Solitary Wave Occurrence and Solar Wind Parameters During the Kelvin-Helmholtz Instability
(2023-08-07)The Kelvin-Helmholtz instability (KHI) is an important mechanism whereby the solar wind transports energy and momentum into the magnetosphere. One unresolved topic is the role of kinetic phenomena and turbulence in mediating ... -
CORE-COLLAPSE SUPERNOVAE AND THEIR REMNANTS: CHANDRA STUDY OF SN 1987A AND A MULTI-WAVELENGTH FOLLOW-UP OF SN 2021KRF
(2023-08-08)**Please note that the full text is embargoed until 8/1/2024** ABSTRACT: Understanding how exploding stars impact their surroundings is of fundamental importance to all areas of astrophysics. Young supernovae (SNe) and ... -
Sensitivity Study for Low Mass Dark Matter Search at DUNE
Many anomalies in the predictions of mass and gravity at the galactic scale have been attributed to an elusive form of matter we refer to as dark matter. The excessive rotational velocity of galaxies and gravitational ... -
THEORETICAL INVESTIGATIONS OF THE BULK AND SURFACE PROPERTIES OF PRISTINE AND DOPED PUO2
Plutonium oxides is of widespread significance due its application in nuclear fuels, space missions, as well as the long-termed storage of plutonium from spent fuel and nuclear weapons. The processes which refine and store ... -
A Measurement of Electron-Neutrino Cross Section at MiniBooNE
1.1 Plan and aim of Dissertation. This dissertation aims to make a electron neutrino elastic scattering cross section measurement on carbon. The previous measurements of this cross section was performed by counting experiment, ... -
Electroluminescent Signals and CosmogenicBackgrounds in High Pressure Xenon Gas TimeProjection Detectors
(2022-01-10)The NEXT collaboration is developing a sequence of high pressure xenon gas time projection chambers with the aim of creating a ton-scale, very low background neutrinoless double beta decay search. Finding evidence of ... -
Electronic and Magnetic Properties of Metal Doped Silicon-Carbide Fullerene-type Nanostructures
(2021-12-20)Silicon carbide (SiC) is a technologically significant material. A recent report on the abundance of C60 fullerenes in interstellar space, along with the presence of SiC precursors, sparked interest in potentially similar ... -
INVESTIGATION AND DISCOVERY OF NOVEL TRANSITION METAL CYSTEAMINE SYSTEMS WITH HALOGENS FROM THE FIRST PRINCIPLES CALCULATIONS
(2021-12-20)Cu-cysteamine (Cu-Cy) is a material that has the cysteamine bonded with Cu. It is a molecular photosensitizer which can be activated by visible, ultraviolet light, and X-rays to generate reactive oxygen species (ROS). Cu-Cy ... -
GPU-based Monte Carlo Applications in Radiation Medicine
(2021-12-02)Radiation can be used to image tumor site or kill tumor cells noninvasively, playing an important role in tumor diagnosis and treatment. Because of the increasing burden that cancer brings to the society, there always ... -
DESIGNING REACTIVE OXYGEN SPECIES PRODUCING MATERIALS FOR CANCER AND WASTEWATER TREATMENTS
(2021-08-13)This dissertation is focused on using nanotechnology to improve conventional photodynamic therapy (PDT) and advanced oxidation processes (AOPs) for cancer and wastewater treatments, respectively. Even though PDT has a great ... -
ANALYSIS OF WAVEFORM DISTORTIONS PRODUCED BY INTERFEROMETER RESPONSE FUNCTIONS FOR FUTURE SEARCHES OF GRAVITATIONAL-WAVE SIGNALS FROM CORE-COLLAPSE SUPERNOVAE
(2021-05-28)Multi-messenger astronomy recently added a fundamentally new component to its wide array of observational tools: a gravitational-wave detector. A number of binary black holes mergers have already been detected by ... -
Self-Consistent Effects of the Recirculating Plasmapshere on the Development of Storm Time Dynamics in the Inner Magnetosphere.
(2023-06-07)The near Earth space environment is a highly coupled system. The Interplanetary Magnetic Field (IMF) interacts with the magnetosphere in myriad ways depend on the orientation of the IMF to the magnetosphere. The magnetic ... -
Boundaries and Currents of the Dayside Magnetosphere: MHD Simulations and Observations
(2023-05-22)The solar wind streams through space at supersonic speeds, carrying plasma and the interplanetary magnetic field (IMF) from the sun. Earth’s magnetosphere presents a magnetosonic obstacle to the solar wind flow, which slows ... -
INVESTIGATION OF OPTICAL AND ELECTRICAL PROPERTIES OF NOBLE METAL AND SUPERCONDUCTING THIN FILMS AND DESIGN AND FABRICATION OF METAMATERIAL SOLAR ABSORBERS
(2023-05-12)**Please note that the full text is embargoed until 05/12/2024** ABSTRACT: An extensive study of light-matter interactions leading to the generation of photon drag voltage under surface plasmon resonance conditions in noble ... -
Novel Roles of Standard and Non-standard Null Lagrangians in Classical and Quantum Physics
(2023-05-19)**Please note that the full text is embargoed until 05/13/2024** ABSTRACT: The three known families of Lagrangians are standard, non-standard, and null Lagrangians. While Lagrangians are widely used in Physics for their ... -
MODEL AND OBSERVATION COMPARISONS OF IONOSPHERIC CURRENT SYSTEMS
(2023-05-08)The interaction between the dynamically changing solar wind and Earth’s magnetosphere results in several different current systems. The most relevant to space weather are the Birkeland currents, a.k.a field-aligned currents ... -
Exploring Numerical Simulations of Localized Geomagnetic Disturbances
(2023-05-08)One of the prominent effects of space weather is the formation of rapid geomagnetic field variations on Earth’s surface driven by the magnetosphere-ionosphere system. These Geomagnetic Disturbances (GMDs) cause Geomagnetically ... -
Strong Constraints on New Physics from the IceCube South Pole Neutrino Observatory
(2022-12-12)The IceCube Neutrino Observatory, a gigaton-scale ice Cherenkov detector located deep within the Antarctic glacier, has detected hundreds of thousands of atmospheric neutrinos at energies from a few GeV to 100 TeV. Above ... -
CHIRALITY IN QUANTUM FIELD THEORY AND ITS ROLE IN THE STANDARD MODEL AND BEYOND
(2022-08-12)Chirality as a symmetry of particle physics occupies a unique role in the standard model. It arises from general space-time principles yet remains central to the formulation of local gauge theories. This work explores the ... -
CHANDRA EJECTA KINEMATICS STUDIES AND AN ISO SPECTROSCOPIC SURVEY OF SUPERNOVA REMNANTS
(2022-08-15)The structure of metal-rich ejecta created from a supernova (SN) reveals vital information about the explosion of the progenitor star and the dynamical evolution of the supernova remnant (SNR). This research focuses on the ...