Now showing items 1-6 of 6

    • A Covariant Natural Ultraviolet Cutoff in Inflationary Cosmology 

      Chatwin-Davies, Aidan (University of Waterloo, 2013-08-28)
      In the field of quantum gravity, it is widely expected that some form of a minimum length scale, or ultraviolet cutoff, exists in nature. Recently, a new natural ultraviolet cutoff that is fully covariant was proposed. In ...
    • Entanglement Entropy in Quantum Gravity 

      Donnelly, William (University of Waterloo, 2008-05-22)
      We study a proposed statistical explanation for the Bekenstein-Hawking entropy of a black hole in which entropy arises quantum-mechanically as a result of entanglement. Arguments for the identification of black hole entropy ...
    • A First Taste of Quantum Gravity Effects: Deforming Phase Spaces with the Heisenberg Double 

      Maitland, Anson (University of Waterloo, 2014-09-25)
      We present a well-defined framework to deform the phase spaces of classical particles. These new phase spaces, called Heisenberg doubles, provide a laboratory to probe the effects of quantum gravity. In particular, they ...
    • Higher Gauge Theory and Discrete Geometry 

      Tsimiklis, Panagiotis (University of Waterloo, 2023-06-05)
      In four dimensions, gravity can be seen as a constrained topological model. This provides a natural way to construct quantum gravity models, since topological models are relatively straightforward to quantize. Difficulty ...
    • Non-compact groups, tensor operators and applications to quantum gravity 

      Sellaroli, Giuseppe (University of Waterloo, 2016-09-23)
      This work focuses on non-compact groups and their applications to quantum gravity, mainly through the use of tensor operators. Non-compact groups appear naturally if the space-time is of Lorentzian signature, but can also ...
    • Quantum Indefinite Spacetime: Part II 

      Jia, Ding (University of Waterloo, 2018-09-10)
      We adopt an operational mode of thinking to study spacetime fluctuations and their impacts on questions of quantum gravity. Particular emphasis is put on studying causal structure fluctuations. The study is guided by the ...

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