Ruth Gregory
Professor
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About
Professor Ruth Gregory is a faculty member at King's College London. Her research interests lie primarily in the areas of quasinormal modes, black hole dynamics, and higher derivative gravity. With a focus on both theoretical and observational aspects, she has contributed to the understanding of black hole signatures, accelerating black holes in lower dimensions, and vacuum decay processes. Her recent publications reflect her expertise in semi-open systems and quantum vortex phenomena.
Articles (16)
Testing Higher Derivative Gravity through Tunnelling
Higher derivative terms in the gravitational action are natural from the perspective of quantum gravity, but are perceived as leading to a lack of well-posedness. The Gauss–Bonnet term has second-order equations of motion, but does not impact gravitational dynamics in 4D, so one might expect that it is not physically relevant. We discuss how signatures can show up in tunnelling processes and whether these will likely be physically accessible in Higgs vacuum decay.
Year:
2024
Collaborators (3)
Shi-Qian Hu
King’s College London
Ian Moss
Professor of Theoretical Cosmology
Newcastle University
Pavel Krtouš
Professor
Charles University, Faculty of Mathematics and Physics
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