Bulletin of the American Physical Society
APS April Meeting 2023
Volume 68, Number 6
Minneapolis, Minnesota (Apr 15-18)
Virtual (Apr 24-26); Time Zone: Central Time
Session T04: Beyond General RelativityInvited
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Sponsoring Units: DGRAV Chair: Helvi Witek, University of Illinois at Urbana-Champai Room: MG Salon C - 3rd Floor |
Tuesday, April 18, 2023 10:45AM - 11:21AM |
T04.00001: Numerical Relativity beyond General Relativity: Black holes in fundamental field environments Invited Speaker: Katy Clough Gravitational wave signals from merging compact objects provide an exciting opportunity to probe fundamental physics beyond General Relativity - this includes the potential for new fields and particles (which may or may not compose the dark matter or dark energy content of the Universe), and for modifications to General Relativity at higher curvature scales. To identify modifications to the standard paradigm we require accurate modelling of the effect of new physics on gravitational wave signals. In this talk I will discuss recent progress in modelling such effects in the strong, dynamical gravity regime of binary black hole mergers, using numerical techniques. |
Tuesday, April 18, 2023 11:21AM - 11:57AM |
T04.00002: Theory-specific and theory-agnostic tests of gravity with gravitational wave data Invited Speaker: Katerina Chatziioannou The third observing run of the advanced ground-based detector network has yielded dozens of detections of gravitational waves from merging black holes and neutron stars. These detections have offered new insights into the physics and astrophysics of black holes and the nature of gravity. In this talk I will discuss recent results regarding theory-specific and theory-agnostic tests of gravity, prospects for the next observing run, as well as challenges and the role of analysis systematics as the number of detections and the network sensitivity increases. |
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