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12:00 am Positivity Constraints on Lorentz-breaking EFTs (Paolo Criminelli, ICTP) @ Aula 500 e online
Positivity Constraints on Lorentz-breaking EFTs (Paolo Criminelli, ICTP) @ Aula 500 e online
Ott 14@12:00 am–Ott 15@12:00 am
Seminario di Fisica Teorica-The coefficients of the operators of an effective field theory (EFT) are constrained to satisfy certain inequalities, under the (mild) assumption that the UV completion satisfies general requirements of causality and unitarity.[...]
11:00 am Black-Hole Scattering, Eikonal Exponentiation and Gravitational Waves @ Aula 603 e online
Black-Hole Scattering, Eikonal Exponentiation and Gravitational Waves @ Aula 603 e online
Ott 14@11:00 am–12:00 pm
Seminario di Fisica Teorica INFN/DIFI – Carlo Heissenberg (Nordita, Stockholm, Sweden)The eikonal exponentiation of gravity amplitudes is a non-perturbative re- summation whereby certain high-energy divergent terms, which would naively violate unitarity bounds, combine into a[...]