HET Seminar

"Gravitational Wave Physics for High Energy Theorists"

Presented by Ira Rothstein

Thursday, March 17, 2022, 11:00 am — Videoconference / Virtual Event (see link below)

Abstract: In this talk I will describe the new field of gravitational wave astronomy from the view point of a high energy theorist. QCD and GR are non-linear field theories whose perturbative expansions are both qualitatively and even quantitatively (through the BCJ relations) similar, and the inspiral of compact objects is a unique stage upon which we may highlight these similarities. After introducing the experiments and the scientific objectives of gravitational wave physics, I will show how we have made progress in making theoretical predictions for the signature of binary inspirals using an effective field theory (EFT) called NRGR (Non-Relativistic General Relativity) which is a cousin of the EFT, NRQCD, used to study quarkonia.

Hosted by: Matthew Sullivan

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