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SUMMARY:Online Plenary — Laura Iacconi: Primordial black holes from infl
 ation: on the decoupling between large and small scales
DTSTART;VALUE=DATE-TIME:20261119T090000Z
DTEND;VALUE=DATE-TIME:20261119T100000Z
DTSTAMP;VALUE=DATE-TIME:20261026T185245Z
UID:indico-contribution-1075@indico.narit.or.th
DESCRIPTION:Primordial black holes can be produced from the collapse of la
 rge perturbations generated from inflation on scales much smaller than tho
 se seeding the large-scale structure formation.\n\nIt is possible that the
  large peak in scalar power at high wavenumbers might induce corrections t
 o the scalar power spectrum on large scales\, e.g. in the form of loop cor
 rections\, endangering the success of inflation in explaining the observed
  statistics of primordial perturbations.\n\nIn this talk\, I will give an 
 update on recent debates on the viability of such inflationary scenarios.\
 n\nI will demonstrate that the 1-loop correction to a large-scale adiabati
 c mode due to a band of enhanced short-scale perturbations decouples from 
 all detailed properties of the peak\, including its maximum amplitude\, an
 d does not lead to an observable effect.\n\nhttps://indico.narit.or.th/eve
 nt/234/contributions/1075/
LOCATION:Pattaya\, Thailand D Varee Jomtien Beach Pattaya Hotel
URL:https://indico.narit.or.th/event/234/contributions/1075/
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