Physics
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From Quantum Gravity to Combinatorial Hives: Addressing Longstanding Puzzles with Novel Approaches
A thesis in two parts, this manuscript concerns the applications of contemporary techniques in optimization, network theory, combinatorial topology, and other branches of discrete mathematics to longstanding problems in ... -
The search for an organizing physical framework for statistics
Theories of statistical analysis remain in conflict and contradiction. But nature reveals an elegant and coherent formulation of statistics in the thermal properties of physical systems. Demanding that a viable statistical ... -
Large Momentum Separation Matter Wave Interferometry
This work establishes a new benchmark for momentum separation in a matter wave interferometer with stable, visible fringes. With a path separation of 112 photon recoil momenta, our signal visibility of 30% and phase stability ... -
Enhancing EoR limits through improved instrumental calibration of the MWA
Epoch of Reionization observations have the potential to be transformative in the field of cosmology, but this is impossible without unprecedented levels of precision in calibration. We enhance EoR upper limits from the ... -
Coupling the Radial Vibrational Modes of Mixed Barium-Ytterbium Chains for Quantum Computing
The advantages of mixed species ion chains may be essential to scaling a quantum computer; however, using them requires a better understanding of mixed species ion trapping and manipulation than we currently posses. In ... -
Improving Axion Signal Models Through N-Body Simulations
The QCD axion is a well-motivated candidate for solving both the strong CP and dark matter problems. A great deal would be revealed about physics both on the level of fundamental particles and astronomy if the axion were ... -
An Investigation of Introductory Student Understanding of Special Relativity in the Context of the Relativity of Simultaneity
This dissertation describes the results of an investigation into introductory student understanding of special relativity in the context of the relativity of simultaneity. The research probes the extent to which students ... -
Protoplanetary disks and planet formation: A computational perspective
In this thesis I present my research on the early stages of planet formation. Using advanced computational modeling techniques, I study global gas and gravitational dynamics in proto- planetary disks (PPDs) on length scales ... -
Development of new technologies for precision torsion-balance experiments
Torsion balances were first used for precision measurements of physics centuries ago and continue to be used to probe physical forces and test for new physics. Improving beyond current limits requires better sensitivity ... -
Statistical Angles on the Lattice QCD Signal-to-Noise Problem
The theory of quantum chromodynamics (QCD) encodes the strong interactions that bind quarks and gluons into nucleons and that bind nucleons into nuclei. Predictive control of QCD would allow nuclear structure and reactions ... -
Magneto-transport and Photoresponse of 2D Semimetals
A semimetal is a material with a small overlap between the bottom of the conduction band and the top of the valence band. Near the Fermi level, the density of state is almost negligible. Thus, in the two dimensional limit, ... -
Surface Alpha Interactions in P-Type Point-Contact HPGe Detectors: Maximizing Sensitivity of 76Ge Neutrinoless Double-Beta Decay Searches
Though the existence of neutrino oscillations proves that neutrinos must have non-zero mass, Beyond-the-Standard-Model physics is needed to explain the origins of that mass. One intriguing possibility is that neutrinos are ... -
Developing the Precision Magnetic Field for the E989 Muon g–2 Experiment
The experimental value of $(g\hbox{--}2)_\mu$ historically has been and contemporarily remains an important probe into the Standard Model and proposed extensions. Previous measurements of $(g\hbox{--}2)_\mu$ exhibit a ... -
Supersymmetric Localization and Probe Branes in the AdS/CFT correspondence
In this thesis, a precise, rigorous test of probe brane holography will be constructed. Since its discovery, the AdS/CFT correspondence has provided a window into the strongly coupled dynamics of supersymmetric gauge ... -
Possible Beyond the Standard Model Physics Motivated by Muonic Puzzles
Recent measurements of the proton radius using the Lamb shift in muonic hydrogen are troublingly discrepant with values extracted from hydrogen spectroscopy and electron-proton scattering experiments. This discrepancy, ... -
T6SS in Pseudomonas aeruginosa: A novel model for toxin delivery
The Type Six Secretion System (T6SS) is a bacterial toxin-delivery system targeting bacterial cells which neighbor the donor, promoting recipient cell death. The T6SS is widely conserved among Gram-negative bacteria and ... -
Electronic Transport Phenomena in Low Dimensional and Topological Materials
This dissertation focuses on electron transport properties in topologically nontrivial conduc- tors (chiral p-wave superconductor Sr2RuO4 and stackings of van der Waals solids(vdWs)) and topological material, Weyl semimetals. ... -
Reduced Limit on the Permanent Electric Dipole Moment of 199 Hg
This thesis describes an experiment to measure the permanent electric dipole moment (EDM) of 199Hg. The EDM is manifested as a small perturbation to the Larmor precession frequency due to the interaction energy of the ... -
X-ray Spectroscopies of Warm Dense Matter
This dissertation provides a perspective on the role of x-ray spectroscopy and diffraction diagnostics in experimental studies of warm dense matter (WDM). The primary focus of the work I discuss is the development of ... -
High Resolution Single-Molecule Enzyme Dynamics Using Nanopores
DNA is a molecule that contains the genetic information of all living organisms. DNA provides the instructions that the cell uses to construct the proteins which carry out the complex functions required for life to thrive. ...
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