Now showing items 1-7 of 7

    • Aspects of Nonlocality: from Particles to Black Holes 

      Saravani, Mehdi (University of Waterloo, 2016-05-06)
      This dissertation is a collection of works on different aspects of the following subjects: causal set--continuum correspondence, wave propagation on causal sets, nonlocal quantum field theory, potential connection between ...
    • Charged Black Hole Solutions in Alternative Theories of Gravity 

      Meiers, Michael (University of Waterloo, 2016-09-06)
      In my thesis, I examine charged black holes in two contexts. The first part covers the formation of something analogous to event horizons for a class of Lorentz-Violating theories which allow for signals to travel faster ...
    • Cosmological beam plasma instabilities 

      Shalaby, Mohamad (University of Waterloo, 2017-08-24)
      Blazars are the main source of extragalactic very high energy gamma-rays. These gamma rays annihilate on the extragalactic background light, producing electron-positron pair beams with TeV energies. The pair beams are very ...
    • Cosmological Tests of Causal Set Phenomenology 

      Zwane, Nosiphiwo Tivelele (University of Waterloo, 2017-09-20)
      Causal Set Theory is an approach to Quantum Gravity that postulates that the fundamental structure of a spacetime manifold is a Lorentz Invariant discrete structure endowed with a causal order from which the geometry and ...
    • 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 ...
    • Neutron Stars, the Exotica - From Modifying General Relativity to Strong Magnetic Fields 

      Kamiab, Farbod (University of Waterloo, 2015-12-22)
      The gravitational aether theory is a modification of General Relativity that decouples vacuum energy from gravity, and thus can potentially address the cosmological constant problem. The classical theory is distinguishable ...
    • New Views on the Cosmological Big Bang 

      Gould, Elizabeth (University of Waterloo, 2017-09-20)
      This dissertation is a collection of four different proposals to describe the early universe. Each will draw from insights of different areas of physics to suggest a description which differs from the standard inflationary ...


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