Physics Colloquium

"Early universe dynamics: from preheating to gravitational wave spectroscopy"

Presented by Dr. Adrien Florio, BNL

Tuesday, February 28, 2023, 3:30 pm — Large Seminar Room, Bldg. 510

Please note that coffee and cookies will be delivered at 3:00pm in the Physics seminar lounge.

Abstract: This talk will review the physics of preheating, namely the end of the initial inflationary era of our universe. This period is dominated by highly non-linear but classical physics, which needs to be studied by dedicated numerical simulations. After discussing such simulations, I will present original results about gravitational waves emitted during preheating. In particular, I will show how they can provide an example where gravitational waves can be used to learn about the particle content of the underlying fundamental theory.

Hosted by: Raju Venugopalan

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