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SUMMARY:Nonlinear gauge maps and the structure of Goldstone loops in canon
 ical inflation
DTSTART;VALUE=DATE-TIME:20261024T081000Z
DTEND;VALUE=DATE-TIME:20261024T083000Z
DTSTAMP;VALUE=DATE-TIME:20261025T070534Z
UID:indico-contribution-3011@indico.itp.ac.cn
DESCRIPTION:Speakers: ChengJun Fang (ITP-CAS)\nNon-attractor inflation has
  drawn significant attention as a class of inflationary models due to its 
 potential to generate primordial black holes (PBHs). However\, calculating
  the one-loop corrections to curvature perturbations in these models has s
 parked considerable theoretical controversy. We find that symmetry serves 
 as a crucial clue in such loop calculations\, and the Ward identity is pre
 cisely the standard manifestation of symmetry in quantum field theory. In 
 this presentation\, we will demonstrate how to apply Ward identities to th
 ese loop calculations.\n\nhttps://indico.itp.ac.cn/event/427/contributions
 /3011/
LOCATION:
URL:https://indico.itp.ac.cn/event/427/contributions/3011/
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