Original work in partial fulfillment of a graduate degree in the School of Physics.

Recent Submissions

  • Geometry, topology and control of spin-1 quantum states 

    Hebbe Madhusudhana, Bharath (Georgia Institute of Technology, 2018-09-12)
    Non-Abelian and non-adiabatic variants of Berry's geometric phase have been pivotal in the recent advances in fault tolerant quantum computation gates, while Berry's phase itself is at the heart of the study of topological ...
  • A numerical study of cardiac arrhythmia and defibrillation validated by experiments 

    Ji, Yanyan (Georgia Institute of Technology, 2018-08-27)
    Defibrillation is termination of arrhythmias by altering the transmembrane voltage through the delivery of electric shocks. Debates on the mechanisms behind defibrillations, however, have never ceased. More recent studies ...
  • The scattering of a few particles with short-range interactions at low energies 

    Zhu, Shangguo (Georgia Institute of Technology, 2018-11-08)
    The low-energy scattering of three bosons or distinguishable particles with short-range interactions is characterized by a fundamental parameter, the three-body scattering hypervolume, which is responsible for the nonuniversal ...
  • STUDY AND APPLICATION OF TIME-DELAYED FEEDBACK FOR SEMICONDUCTOR PHOTON SOURCE 

    Chang, Chien-Yuan (Georgia Institute of Technology, 2017-11-14)
    Time-delayed feedback introduces various dynamical behaviors when coupled with a solid-state photonic structure. The study of these behaviors is a crucial step towards development of novel applications involving measurement ...
  • Single-molecule biophysics of toehold-mediated strand displacement 

    Broadwater, Douglas William Bo (Georgia Institute of Technology, 2018-07-23)
    This thesis focuses on three separate explorations into the nature of toehold-mediated strand displacement which is a reaction characterized by the swapping of one stably bound oligonucleotide for another. The first study ...
  • Physics communication and peer assessment in a reformed introductory mechanics classroom 

    Douglas, Scott S. (Georgia Institute of Technology, 2018-07-16)
    We designed and implemented a set of introductory mechanics laboratory exercises featuring real-world data-gathering, computational modeling, and video lab reports with peer assessment. Our goal in developing a peer ...
  • Variable range hopping conduction in the epitaxial graphene buffer layer on SiC(0001) 

    Turmaud, Jean-Philippe (Georgia Institute of Technology, 2018-06-18)
    The properties of epitaxial graphene grown by thermal decomposition of hexagonal silicon carbide (SiC) have been the focus of extensive research for several decades now. In this thesis I am interested in the electronic ...
  • Computational modeling of dusty nuclear starburst disks and its consequences on observables 

    Gohil, Raj K. (Georgia Institute of Technology, 2018-05-30)
    Active galactic nuclei (AGNs) are the most energetic non-explosive objects in the uni- verse whose comoving space density peaks near redshift z ∼ 2 (Wolf et al., 2003). They radiate energy across the electromagnetic spectrum ...
  • Quasi-two-dimensional Kolmogorov flow: Bifurcations and exact coherent structures 

    Suri, Balachandra (Georgia Institute of Technology, 2017-07-26)
    Fluid turbulence is nearly ubiquitous in natural and human-made systems. Despite systematic research for over hundred years, scientists are still searching for efficient ways to forecast and control the evolution of turbulent ...
  • Graphene near commensuration 

    Spitz, Stephen Tyler (Georgia Institute of Technology, 2018-04-05)
    For the past decade, graphene has been among the most heavily researched materials in condensed matter physics. In particular, its unusual electronic properties have spurred researchers to investigate new applications and ...
  • Nematic materials in curved spaces 

    Ellis, Perry W. (Georgia Institute of Technology, 2018-03-19)
    When confined to curved surfaces or to bounded volumes, ordered materials often experience geometric frustration, where the order cannot be satisfied everywhere on the surface or in the volume. This frustration induces ...
  • On the effect of Lyman alpha trapping during the initial collapse of massive black hole seeds 

    Ge, Qi (Georgia Institute of Technology, 2018-03-26)
    One viable seeding mechanism for supermassive black holes is the direct gaseous collapse route in pre-galactic dark matter halos, producing objects on the order of 10^4 - 10^6 solar masses. These events occur when the gas ...
  • Gravitational wave asteroseismology from rapidly rotating neutron stars 

    Stavropoulos, Athanasios (Georgia Institute of Technology, 2018-01-04)
    The recent direct observations of gravitational waves from a binary black hole system and separately from a binary neutron star system are among the most exciting events in physics history. This is true not only because ...
  • Force microscopy of two-dimensional materials 

    Gao, Yang (Georgia Institute of Technology, 2017-04-07)
    Atomic Force Microscopy (AFM) is a powerful tool for the characterization and fabrication of two-dimensional materials, which are films of a few atomic layers with strong in-plane bonds and weak van der Waals interactions ...
  • Theory of resonance and novel nonperturbative physics in twisted bilayer graphene 

    Carter, Steven C. (Georgia Institute of Technology, 2017-04-06)
    Twisted bilayers of graphene have shown strikingly rich phenomenology while also posing significant theoretical challenges. As a consequence, many numerically discovered phenomena have defied analytical understanding to ...
  • Fabrication and characterization of epitaxial graphene nanoribbon transport devices 

    Vail, Owen (Georgia Institute of Technology, 2017-04-03)
    Patterned growth of epitaxial graphene has piqued the interest of the scientific community by revealing an interesting structure with a lot of potential: the sidewall nanoribbon. Epitaxial graphene is produced by ...
  • A search for very high-energy gamma-ray emission from pulsars with VERITAS 

    Richards, Gregory T. (Georgia Institute of Technology, 2017-11-13)
    Pulsars are powerful cosmic particle accelerators known to emit radiation across the entire electromagnetic spectrum. Their gamma-ray emission has been intensely studied at energies up to ~10 GeV, above which the predicted ...
  • Quantum state control of trapped ions for computation and multi-ensemble atomic clocks 

    Delaubenfels, Thomas E. (Georgia Institute of Technology, 2017-11-10)
    The purpose of this work is to investigate methods by which the quantum states of trapped ions may be better controlled and measured for the applications of quantum computing, quantum simulation, and the generation of ...
  • Physical regulation of cell surface access and cell adhesion by membrane-anchored hyaluronan 

    Chang, Patrick S. (Georgia Institute of Technology, 2016-11-15)
    Pericellular matrix (PCM) is a hyaluronan rich polymer matrix anchored to the outer cell membrane surface. Negatively charged bottlebrush proteoglycans also play an important role in the matrix giving it its structure. In ...
  • Force and fluctuations in polymer ensembles 

    Waters, James T. (Georgia Institute of Technology, 2016-11-15)
    The focus of this work is on developing mechanical models for studying polymer chains under different constraints and confining geometries. This will have application to biological processes, where the bending and looping ...

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