The Cosmic Dark Ages and the Epoch of Reionization (EoR) remain largely unexplored chapters in the history and evolution of the Universe. These periods hold the potential to inform our picture of the cosmos similar to what ...
This thesis describes developments toward the measurement of the angular correlation between the beta and the antineutrino in the beta decay of $^6$He. This decay is a pure Gamow-Teller decay which is described in the ...
Phonons, the quantization of atomic vibrations, are important in studying many solid state properties, ranging from Raman, infrared, and neutron scattering to thermal expansion, specific heat, and heat conductivity to ...
Newton's inverse-square law of gravitation is the oldest standing mathematical description of a fundamental interaction. Experimental tests of gravity's distance-dependence define a frontier between our understanding of ...
Truly two-dimensional systems allow for examination of quasiparticle physics in the presence of strong Coulomb interactions resulting from reduced dielectric screening and under conditions of energy level quantization due ...
This dissertation describes the results of two related investigations into introductory student understanding of ideas from classical physics that are key elements of quantum mechanics. One investigation probes the extent ...
This thesis presents a model of self-correcting quantum memories where quantum states are encoded using topological stabilizer codes and error correction is done using local measurements and local dynamics. Quantum noise ...
Predicted almost a century ago, dark matter explains many astrophysical observations including the motion of matter on galaxy and galaxy cluster scales, the clustering of galaxies, and the anisotropies in the cosmic microwave ...
Layered materials when thinned down to their monolayer limit exhibit remarkable properties owing to their two-dimensional nature and strong electron confinement. In particular this class of materials displays strong optical ...
Since its foundation in the 20th century, the Standard Model has been immensely powerful in explaining many particle physics phenomena. With the discovery of the Higgs boson at the LHC, the Standard Model seems to be ...
In this dissertation we study classical and quantum spin systems with applications to the theory of computation. In particular, we examine computational aspects of these systems beyond their ground states by considering ...
An understanding of the molecular final state distribution is crucial to extracting a neutrino mass from molecular tritium-based experiments including the upcoming Karlsruhe Tritium Neutrino Mass Experiment. This dissertation ...
We report the final results from our first-generation attempt to measure the magnetic-dipole transition moment (M1) between the $6S_{1/2}$ and $5D_{3/2}$ manifolds in Ba$^{+}$. Knowledge of M1 is crucial for a parity-non ...
The interactions of intrinsic particle spin offer a powerful window into important aspects of new physics, such as hidden high energy symmetries and CP-violation. This dissertation describes a new spin 20-pole torsion ...
This dissertation describes an investigation of student conceptual understanding of statics concepts in E&M, at the introductory and junior level. At the introductory level, this research led to the development of three ...
Mixed species chains of barium and ytterbium ions are investigated as a tool for building scalable quantum computation devices. Ytterbium ions provide a stable, environmentally-insensitive qubit that is easily initialized ...
A prototype spectrometer - the first of its kind - has been constructed at the University of Washington to demonstrate a new technique for β-decay studies called Cyclotron Radiation Emission Spectroscopy (CRES). The ...
Axions are hypothetical elementary particles that may help provide the answer as to why QCD preserves the discrete symmetries P and CP. Light axions also have properties that make them ideal dark-matter candidates. The ...
I detail the execution and results of experiments in a mixture of ultracold atomic gases using fermionic lithium (6Li) and bosonic ytterbium (174Yb) in the metastable 3P2 state. We demonstrate efficient transfer of ground ...
Luminescent materials play important roles in energy sciences, through solid state lighting and possible applications in solar energy utilization, and in biomedical research and applications, such as in immunoassays and ...