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SUMMARY:Keisuke Inomata (Johns Hopkins)
DTSTART:20251125T193000Z
DTEND:20251125T203000Z
DTSTAMP:20260423T005746Z
UID:nhetc/121
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/nhetc/121/">
 Self-scattering of inflaton during inflation</a>\nby Keisuke Inomata (John
 s Hopkins) as part of NHETC Seminar\n\n\nAbstract\nInflationary models pre
 dicting a scale-dependent large amplification of the density perturbations
  have recently attracted a lot of attention because the amplified perturba
 tions can seed a sizable amount of primordial black holes and stochastic b
 ackground of gravitational waves. While power spectra in these models are 
 often computed ignoring the inflaton self-scattering\, the self-scattering
  (or loop correction) is generally non-negligible in such inflation models
  with large amplification of perturbations. In this talk\, I will highligh
 t what changes and remains unchanged by inflaton self-scattering during in
 flation.\nReferences: arXiv:2211.02586\, 2403.04682\, 2403.12811\, 2502.08
 707\, and 2502.12112\n
LOCATION:https://researchseminars.org/talk/nhetc/121/
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