School of Physics (SoP): Recent submissions
Now showing items 1-20 of 1048
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Geometric modeling of biological and robotic locomotion in highly damped environments
(Georgia Institute of Technology, 2022-12-14)Biological systems can use seemingly simple rhythmic body and limb undulations to traverse their complex natural terrains. We are particularly interested in the regime of locomotion in highly damped environments, which we ... -
Novel and improved algorithms for the contraction of 2D tensor networks
(Georgia Institute of Technology, 2022-12-08)Tensor network algorithms are important numerical tools for studying quantum many-body problems. However, the high computational costs have prevented its applications in two-dimensional (2D) systems. In this thesis, we ... -
Miniature atomic beams and its application in quantum optics
(Georgia Institute of Technology, 2022-12-07)The utilization of thermal atoms can enable further miniaturization and scalability of atomic devices and facilitate more applications of quantum information science in daily life. Thermal atomic beams can be easily generated ... -
Non-inertial Undulatory Locomotion Across Scales
(Georgia Institute of Technology, 2022-12-13)Locomotion is crucial to behaviors such as predator avoidance, foraging, and mating. In particular, undulatory locomotion is one of the most common forms of locomotion. From microscopic flagellates to swimming fish and ... -
Transport-Enabled Qubit Operations with Trapped Ions
(Georgia Institute of Technology, 2022-10-19)Trapped ion systems are a strong candidate for quantum information processing due to the long lifetimes of their internal electronic states, which can be treated as a two-level quantum system called a qubit. Trapped ions ... -
Semiconductor Particle Detector based on Work Function Modulation
(Georgia Institute of Technology, 2021-12-14)This dissertation presents three elements of a project to investigate development of a novel solid state particle detector. The detector design incorporates Schottky-diode-connected HEMTs formed of gallium nitride (GaN) ... -
Inferring ecological interactions from dynamics in phage-bacteria communities
(Georgia Institute of Technology, 2021-12-13)Characterizing how viruses interact with microbial hosts is critical to understanding microbial community structure and function. However, existing methods for quantifying bacteria-phage interactions are not widely applicable ... -
Topological Properties of SU(n) Fermions
(Georgia Institute of Technology, 2022-07-30)Ultra-cold fermions loaded in optical lattices have become ideal systems to study related electronic phase diagrams and transport properties, because they provide a clean and well controlled playground to change various ... -
Thulium atoms embedded in noble gas crystals for sensing applications
(Georgia Institute of Technology, 2022-07-30)Narrow linewidth atomic transitions provide opportunities for the development of various quantum technologies. Thulium has an unfulfilled 4$f$ orbital with the electronic configuration similar to Yb$^{3+}$ which is used ... -
Search for astrophysical neutrino sources using IceCube low-energy neutrinos
(Georgia Institute of Technology, 2022-07-29)Astrophysical neutrinos can escape from radiation-opaque regions and act as messengers, allowing us to explore some of the most extreme environments in the universe. The IceCube Neutrino Observatory is designed to observe ... -
Studying Millisecond Pulsars and Pulsar Tails in the Very-High-Energy Gamma-ray Regime with VERITAS
(Georgia Institute of Technology, 2022-07-26)Years have passed since the first detection of pulsed very-high-energy (VHE; E \textgreater 100 GeV) gamma-rays from the Crab pulsar with VERITAS, yet much is still unresolved in relation to the nature of pulsar emission ... -
SHORTCUT TO TARGET STATES IN A SPIN-1 BOSE-EINSTEIN CONDENSATE
(Georgia Institute of Technology, 2022-05-23)In this work, we generate spin squeezed ground states in an atomic spin-1 Bose-Einstein condensate tuned near the quantum critical point between the polar and ferromagnetic quantum phases of the interacting spin ensemble. ... -
Evidence for the dynamical relevance of relative periodic orbits in turbulence
(Georgia Institute of Technology, 2022-08-01)Despite a long and rich history of scientific investigation, fluid turbulence remains one of the most challenging problems in science and engineering. One of the key outstanding questions concerns the role of coherent ... -
Clusters, Waves, and Force Chains in Fire-Ant Collectives: Emergent Behavior in Out-of-Equilibrium Particulate Systems
(Georgia Institute of Technology, 2021-07-29)Unlike other out-of-equilibrium systems, active matter is held far from equilibrium by energy input at the single particle level. The field includes a wide range of systems, but the most familiar examples, including flocks ... -
Quantum Magnetism in Quasi-Two-Dimensional Rare-Earth Oxides: Neutron Scattering and Instrumentation
(Georgia Institute of Technology, 2021-07-20)Quantum magnetism is a rich area of hard condensed matter physics where various energy scales and exchange parameters, coupled with lattice symmetries, lead to ground states of varying degrees of complexity. Through ... -
Optimization and control of virus-host systems
(Georgia Institute of Technology, 2021-06-01)Optimization and control are powerful tools to design a system that works as effectively as possible. In this thesis, we focus on applications of model-based optimization and control in complex virus-host systems at multiple ... -
Data for 'Locomotion without force, and impulse via dissipation: Robotic swimming in curved space via geometric phase'
(Georgia Institute of Technology, 2022) -
Raw physiology data for article "Biophysical transitions in insect flight dynamics are bridged by common muscle physiology"
(Georgia Institute of Technology, 2022) -
Including a Warm Corona within the Inner Accretion Disk of Active Galactic Nuclei
(Georgia Institute of Technology, 2022-05)Warm coronae, Comptonizing regions of warm (temperature kT ∼ 1keV), and optically thick (Thomson depth ∼ 10 - 20) gas, at the surfaces of accretion disks in active galactic nuclei (AGNs), have been proposed to explain the ... -
Methods for model reduction in cardiac dynamics
(Georgia Institute of Technology, 2022-05-05)Mathematical models have been crucial for understanding biological systems because they help us organize our knowledge about the system and allow us to not only test new ideas without harming or perturbing expensive in ...