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SUMMARY:Gr.IV seminar: Damiano Fiorillo - "Neutrino plasma: a new state of
  matter"
DTSTART:20260401T140000Z
DTEND:20260401T150000Z
DTSTAMP:20260506T164500Z
UID:indico-event-50658@agenda.infn.it
DESCRIPTION:Core-collapse supernovae host the densest neutrino environment
 s in the Universe. In these extreme conditions\, neutrinos exchange flavor
  with each other more rapidly than they stream out of the star\, forming a
  collective many-body system whose dynamics are dominated by weak interact
 ions. In this talk\, I will present a unified theoretical framework showin
 g that this system behaves as a neutrino plasma\, supporting collective fl
 avor-wave excitations—flavomons—that are the exact analogs of collecti
 ve electromagnetic fields in ordinary plasmas.The stimulated emission of f
 lavomons produces an instability\, with consequent restructuring of the ne
 utrino flavor distribution which impacts the supernova explosion and multi
 -messenger signature. I will show that the conditions for triggering these
  instabilities naturally descend from detailed balance of neutrino-flavomo
 n interactions. By this approach\, I will show that the accretion-powered 
 neutrino outflow of supernovae generically develops neutrino-mass-induced 
 instabilities immediately after the neutronization burst. \n\nhttps://age
 nda.infn.it/event/50658/
LOCATION:0M04
URL:https://agenda.infn.it/event/50658/
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