Cornell University

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LEPP Particle Phenomenology Seminar: Francesco Sgarlata (Cornell)

Thursday, April 29, 2021 at 4:00pm

Virtual Event

Title:                            Open questions about constraints on gravitational EFTs

Abstract:                     Fundamental properties of the S-matrix have been shown to be extremely powerful to constrain non-gravitational Effective Field Theories (EFTs). However, gravity, due to its long-range nature, is a huge obstacle for a straightforward application of these constraints. I will talk about some work in progress towards an understanding of causality constraints on EFTs. I will share with you some open questions about an intriguing connection between scattering amplitudes and black-hole physics, as well as the propagation of signals on curved space-time and its relation to causality.

Dial-In Information

contact evm23@cornell.edu for the Zoom link

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Event Type

Seminar

Departments

Physics, CLASSE

Website

https://www.classe.cornell.edu/NewsAn...

Contact E-Mail

evm23@cornell.edu

Contact Name

Katerina Malysheva

Speaker

Francesco Sgarlata

Speaker Affiliation

Cornell

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