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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
This dissertation investigates the transport properties of unconventional superconductors which differ from the conventional superconductors on two aspects, one is the pairing symmetry of the order parameter, the other is the net...
A study has been carried out on F-actin self-assembly to address various questions regarding the mechanisms for assembly and the properties of the assembled system. We are interested in two Factin self-assembly mechanisms, counter-ion...
Halide Perovskites have recently risen as a new class of optoelectronic materials. Remarkable optical and electrical properties have led to the demonstration of various perovskite-based devices such as solar cells1, LEDs2-5, ...
Functional ferroelectric and magnetic materials have played an important role of modern technology in the sensor or storage device industries. Ferroelectricity and ferromagnetism emerge from different origins. However, it is discovered...
Supersymmetry (SUSY) is one of the most compelling theoretical extensions of the Standard Model. Many physicists believe that the discovery of SUSY may be imminent and that current and upcoming experiments will finally be able to observe...
Observation of Gap-like Features in Superconductors and Heavy Fermions via Quasiparticle Scattering and Tunneling Spectroscopies, and Electronic Transport
Electron spectroscopies are powerful tools to reveal Fermi surface gapping in intermetallic systems. In particular, planar tunneling spectroscopy (PTS) and quasiparticle scattering spectroscopy (QPS, also known as point-contact...
The radioisotope ²⁶Al has been well recognized as an important astronomical indicator of ongoing nucleosynthesis in our Galaxy due to it's unique nuclear properties. The ground-state of ²⁶Al (²⁶Al[superscript g]) has a half-life of 700...
Processes involving the production of electroweak gauge bosons(W±, Z, γ) or a Higgs boson with b jets play a very important role in stress testing the Standard Model and constitute major backgrounds in most searches of new physics beyond...
Nb₂PᵪSe₅ is a high-field, anisotropic, 2-band superconductor with both electron-like and hole-like charge carriers at the Fermi level. The crystal structure is assembled such that 2D sheets of Nb₄Pd₁Se₁₀ are connected to each other by an...
Cryo-electron microscopy (or cryoEM) is a rapidly expanding field with many research groups developing new methods and hardware every day. cryoEM is now on its way to replace X-ray crystallography as the method of choice to study...
Doubly-connected superconducting loops are a class of superconducting devices of longstandinginterest in fundamental physics and practical applications. They have been studied since early 1960s and have received intensive recent interest...
We performed forecasts of the uncertainty with which future surveys will measure the cosmological parameters of the non-flat ΛCDM model, extended to include the sum of neutrino masses Σν, and the effective number of relativistic species...
The heavy fermion intermetallic compound URu₂Si₂ continues to attract attention owing mainly to the occurrence of an unknown ordered state at T₀ ~ 17.5 K that is referred to as "hidden order" (HO). HO remains enigmatic, despite more than...
The field of experimental nuclear physics has been pushing further and further away from the valley of stability on the chart of nuclides, investigating exotic systems in order to test our understanding of nuclear structure, nuclear...
High field magnets are integral to the success of various significant scientific and technological endeavors such as materials characterization, high energy physics, and plasma fusion generators. Superconductors are integral to building...
The rapid-proton capture process (rp-process) is a series of proton capture and beta-decay reactions that proceed up the proton rich side of the chart of nuclides. It is an important part of stellar nucleosynthesis, and responsible for...
Strongly correlated materials manifest some of the most intriguing behaviors found in condensed matter physics. However, their understanding remains a challenge because they cannot be described using standard theoretical approaches, as...
Proteins, polymer chains comprised of amino acids, are one of the fundamental machines that drive life. They perform a wide variety of functions within the cell such as nutrient transport, cell signaling, energy production, DNA repair, ...
Type II supernovae (SNe II) are excellent tools for studying stellar evolution, mass loss, cosmology, and to probe possible explosion mechanisms. By examining the spectroscopic diversity of SNe II, this thesis aims to improve the...
An ionized Very-High Velocity Cloud (VHVC, vLSR ∼ −350 km s−1 was recently discovered in multiple ion absorption lines (e.g., O i, C ii, Si ii, Si iii) in the sightline of M33 (Zheng et al. 2017). However, the VHVC’s origin is still...
Electron paramagnetic resonance (EPR) spectroscopy is a powerful technique to study biomolecules. EPR has been employed to investigate the structure and dynamics of biological membranes, membrane proteins, and protein-lipid interactions....
This dissertation presents a series of electron paramagnetic resonance investigations on molecule-based magnetic materials. We begin with an introduction to the field of Single-Molecules magnets in the Ch. 1 introduction. In Ch. 2 we...
The 4f and 5f electron states from the lanthanide (La - Lu) and actinide (Ac - Lr) elements area deep reservoir for novel physics. A variety of emergent states are seen in different f-element containing materials including complex...
Studying of relativistic particles in the condensed matter system became possible after a discovery of graphene in 2004. What follows from graphene was search for other materials hosting relativistic particles, such as Dirac semimetals...
Despite over thirty years of research, the origin of high-temperature superconductivity remains unsolved. In these thirty years, the phase diagram for the rst-discovered high-temperature superconductors, the cuprates, has been found to...
An important objective in radiofrequency (RF) coil design for nuclear magnetic resonance (NMR) spectroscopy is improving sensitivity. The low RF losses of thin-film high temperature superconducting (HTS) coils make them well suited to...
We examine two wave function optimization methods for producing the ground state. The first is a novel method for optimizing the location of the nodes of the fermion ground-state using a combination of diffusion Monte Carlo (DMC) and...
Strongly correlated insulators (SCIs) are proposed as a promising material for photovoltaics because the strongly correlated \textit{d} electrons can facilitate the creation of multiple electron-hole pairs per incoming photon through a...
This study of the nuclear structure of $^{24}$Na, $^{35}$S, $^{41}$K, and $^{41}$Ca has been carried out at Florida State University's (FSU) John D. Fox Superconducting Linear Accelerator Laboratory. These experiments were performed...
Halide perovskites have shown rapid development in opto-electrical applications, such as solar cells, light-emitting diodes, and photodetectors owing to their superior optical and electrical properties. Particularly, halide perovskites...
This thesis is mainly focus on the 3D topological semimetal and 2D materials. If you ask a physicist to name the most significant discovery in solid-state physics over the recent 50 years, and highly likely, if not high-temperature...
Strong electron-electron correlations in physical systems can lead to phenomena that are not trivial composition of constituent parts, that the collective behavior lead to emergence of exotic phases and behaviors. To describe exotic...
Electrical properties (EP), namely conductivity and permittivity, can provide endogenous (having an internal origin) contrast for tissue characterization. EP of the biological tissue are strongly related to essential determinants of the...
Magnetic two-dimensional (2D) materials, proposed to exhibit non-trivial electronic topology, have been discovered recently. In particular, a potential for devices based on van der Waals (vdW) ferromagnetic heterostructures was...
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