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SUMMARY:Rémi Faure\, "Leptogenesis during a cosmological phase transition
 "
DTSTART:20250306T100000Z
DTEND:20250306T113000Z
DTSTAMP:20260415T104600Z
UID:indico-event-11480@indico.ijclab.in2p3.fr
DESCRIPTION:Cosmological scenarios involving a cosmological phase transiti
 ons have gained popularity over recent years\, in particular because of th
 eir gravitational wave signatures. I will discuss how such phase transitio
 ns affect leptogenesis using sterile right-handed neutrinos. We will consi
 der that the sterile neutrinos obtain a Majorana mass thanks to the cosmol
 ogical phase transition of a BSM scalar field. This leads to interesting n
 onequilibrium dynamics during the transition\, as well as different mechan
 isms of lepton asymmetry production in the cosmological evolution of the p
 articles. Using nonequilibrium QFT\, I will describe the relevant equation
 s\, and show how they can be solved (numerically and analytically) and wha
 t they tell us about the effect of a phase transition on leptogenesis.\n\n
 https://indico.ijclab.in2p3.fr/event/11480/
LOCATION:210/1-114 - Salle des Séminaires (IJCLab)
URL:https://indico.ijclab.in2p3.fr/event/11480/
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