TH BSM Forum

Chiral fermions in gravity: anomalies and path integral methods

by Rémy Larue

Europe/Zurich
4/3-006 - TH Conference Room (CERN)

4/3-006 - TH Conference Room

CERN

110
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Description

Dealing with chiral fermions in gravity can prove a difficult task, which is not easily handled with Feynman diagrams. The path integral approach provides a powerful alternative, both on the formal and practical aspects. Recent improvements allowed to deal with chiral fermions in gravity, hence filling a gap in the literature. It then helped solving a controversy that spanned over a decade, concerning the presence or absence of the CP-odd Pontryagin density in the trace anomaly of the neutrino. In this talk, we describe how the path integral can be properly defined and used to compute quantum anomalies, and more generally we outline how it can be used to obtain a generic one-loop effective action for chiral fermions.

Videoconference
BSM Forum
Zoom Meeting ID
65562333965
Host
Elena Gianolio
Alternative hosts
Matthew Philip Mccullough, Joachim Kopp, Nicholas Llewellyn Rodd, Marzia Bordone, Tim Cohen, Benoit Loyer, Pascal Pignereau
Passcode
01055539
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