This is the collection for the University of Waterloo's Department of Physics and Astronomy .

Research outputs are organized by type (eg. Master Thesis, Article, Conference Paper).

Waterloo faculty, students, and staff can contact us or visit the UWSpace guide to learn more about depositing their research.

Recent deposits

  • Entanglement Entropy of Scalar Fields in Causal Set Theory 

    Kouchekzadeh Yazdi, Yasaman (University of Waterloo, 2017-08-15)
    Entanglement entropy is now widely accepted as having deep connections with quantum gravity. It is therefore desirable to understand it in the context of causal sets, especially since they provide the UV cutoff needed to ...
  • Amplitudes in the Spin Foam Approach to Quantum Gravity 

    Chen, Linqing (University of Waterloo, 2017-07-31)
    In this thesis, we study a Spin Foam model for 4D Riemannian quantum gravity, and propose a new way of imposing the simplicity constraints that uses the recently developed holomorphic representation. Rather than imposing ...
  • Towards vertex renormalization in 4d Spin Foams 

    Banburski, Andrzej (University of Waterloo, 2017-07-24)
    A long-standing open problem in 4-dimensional Spin Foam models of Quantum Gravity has been the behavior of the amplitudes under coarse graining. In this thesis, we attempt to study this question by using the recent ...
  • Explorations in the Conformal Bootstrap 

    Mazac, Dalimil (University of Waterloo, 2017-07-19)
    We investigate properties of various conformally invariant quantum systems, especially from the point of view of the conformal bootstrap. First, we study twist line defects in three-dimensional conformal field theories. ...
  • An investigation of low energy quasiparticle excitations via thermal transport measurements 

    Toews, William Henry (University of Waterloo, 2017-06-16)
    Thermal transport measurements can provide a unique perspective of the nature of a system by exploring the behaviour of the low energy excitations from the ground state. Delocalized quasiparticle excitations can affect ...
  • Quantum critical responses via holographic models and conformal perturbation theory 

    Sierens, Todd (University of Waterloo, 2017-06-15)
    We investigate response functions near quantum critical points, allowing for finite temperature and a mild deformation by a relevant scalar. When the quantum critical point is described by a conformal field theory, we use ...
  • Quantum Information Enabled Neutron Interferometry 

    Nsofini, Joachim (University of Waterloo, 2017-06-12)
    Neutron interferometry with its ability to encode and extract information provides a test bed for quantum mechanics and precise measurement of physical quantities of significant importance in physics. However, this ...
  • Quantum Gates and Decoupling in Qubits with Fixed Transverse Coupling 

    Han, Guiyang (University of Waterloo, 2017-05-25)
    Among all the quantum computer candidates, the superconducting system is one of the most convincing platforms due to its strong couplings and scalability. To be more specific, this thesis focuses on the superconducting ...
  • Simulating quantum matter through lattice field theories 

    Hayward Sierens, Lauren (University of Waterloo, 2017-05-16)
    Quantum many-body systems are comprised of complex networks of microscopic interactions that work together to produce novel collective phases and phenomena. For strongly-interacting systems, the connection between the ...
  • Topology and interactions in Weyl metals and quantum Hall systems 

    Panfilov, Ivan (University of Waterloo, 2017-05-10)
    In recent years it became clear that in the Condensed Matter physics, the study of the interactions and the topology allows one to find and to describe many new phases of matter. Even more interest was drawn by the ...
  • Horizon Thermodynamics from Einstein's Equation of State 

    Hansen, Devin (University of Waterloo, 2017-04-28)
    The striking resemblance between geometric theories of gravity and thermodynamics suggests a more fundamental relationship between the two seemingly distinct theories. It has been postulated that the radial Einstein ...
  • The Dependence of Halo Mass on Galaxy Size at Fixed Stellar Mass Using Weak Lensing 

    Charlton, Paul (University of Waterloo, 2017-04-24)
    Stellar mass has been shown to correlate with halo mass, but with significant scatter. The stellar mass-size and luminosity-size relationships of galaxies also show significant scatter in galaxy sizes for a fixed stellar ...
  • A Novel Combination Therapy of Cisplatin with a Molecular Promoter for Cancer Treatment 

    Zhang, Qinrong (University of Waterloo, 2017-01-25)
    Cisplatin is the first and most widely used platinum-based chemotherapy drug and is the cornerstone agent in treating a broad spectrum of cancers, including ovarian cancer, testicular cancer, cervical cancer, bladder cancer, ...
  • An Exploration of Locality, Conservation Laws, and Spin 

    Rempel, Trevor (University of Waterloo, 2017-01-23)
    Conservation rules are central to our understanding of the physical world, they place re- strictions on how particles can move and dictate what can occur during an interaction. However, it is often taken for granted how a ...
  • On The Origin of Cold Molecular Gas In Giant Elliptical Galaxies 

    Pulido, Faerlin (University of Waterloo, 2017-01-23)
    We present an analysis of 55 giant elliptical galaxies residing in the centre of clusters and groups to investigate the origin of H₂ molecular gas centrally located in these galaxies. Using Chandra X-ray data and IRAM 30m ...
  • RF-QPC Charge Detector and S-T₊ Qubit in a Lateral Double Quantum Dot Device 

    Mason, Jeffrey (University of Waterloo, 2017-01-18)
    A measurement system is developed for studying a lateral double quantum dot (DQD) device formed in the two-dimensional electron gas (2DEG) of a GaAs/AlGaAs heterostructure. Copper powder and RC filters are constructed to ...
  • Topics in Fault-Tolerant Quantum Computation 

    Dawkins, Hillary (University of Waterloo, 2017-01-12)
    This thesis contains the results of research projects broadly related to the pursuit of universal fault-tolerant quantum computation. We are interested in questions such as which resources are required to achieve a quantum ...
  • Electron transport in semiconducting nanowires and quantum dots 

    Holloway, Gregory (University of Waterloo, 2017-01-10)
    Single electrons confined in electrostatic quantum dots are a promising platform for realizing spin based quantum information processing. In this scheme, the spin of each electron is encoded as a qubit, and can be manipulated ...
  • Conical Designs and Categorical Jordan Algebraic Post-Quantum Theories 

    Graydon, Matthew (University of Waterloo, 2017-01-06)
    Physical theories can be characterized in terms of their state spaces and their evolutive equations. The kinematical structure and the dynamical structure of finite dimensional quantum theory are, in light of the ...
  • Ultrafast manipulation of single photons using dispersion and sum-frequency generation 

    Donohue, John Matthew (University of Waterloo, 2016-12-01)
    Single photons provide a natural platform for quantum communication and quantum networking, as they can be entangled in many degrees of freedom and maintain coherence over long-distance links. However, while their minimal ...

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