Quantum gravity is concerned with unifying Einstein's general theory of relativity with quantum theory into a single theoretical framework. At Perimeter Institute, researchers are actively pursuing a number of approaches to this problem including loop quantum gravity, spin foam models, asymptotic safety, emergent gravity, string theory, and causal set theory. We are also particularly interested in experimental implications of these different proposals. As the aim is a unification of the laws of physics into a single theory, the search for quantum gravity overlaps with other areas such as cosmology, particle physics and the foundations of quantum theory.
Format results
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Nonlocality in the causal set approach to quantum gravity
Fay Dowker Imperial College London
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The S8 tension in cosmology
Mike Hudson University of Waterloo
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The H0 tension and sample variance
Will Percival University of Waterloo
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Echoes and Entropy of Quantum Black Holes
Naritaka Oshita Kyoto University
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Quantum Superpositions of Black Holes
Robert Mann University of Waterloo
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Do First-Class Constraints Generate Gauge Transformations? A Geometric Perspective.
Clara Bradley University of California, Irvine
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Causality at the End-of-World
Beni Yoshida Perimeter Institute for Theoretical Physics
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