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SUMMARY:A simple UV completion for Higgs and Higgs-dilaton inflation up to
  the Planck scale
DTSTART:20180326T140000
DTEND:20180326T153000
DTSTAMP:20260510T165035Z
UID:e4d21aec02bc04deeb1bd0c08858ba6608237d3c31bd9b00c626771c
CATEGORIES:Conferences - Seminars
DESCRIPTION:Anna Tokareva (Moscow\, INR)\n\nINFORMAL SEMINAR\nInflation dr
 iven by the Standard model Higgs field requires a large value of its non-m
 inimal coupling to gravity. This leads to a well-known unitarity problem t
 hat arises already at the energy scales corresponding to inflation. In thi
 s talk\, I show that an addition of R^2 term to the action allows solving 
 this problem rising the cutoff scale up to the Planck scale. In this scena
 rio\, an additional degree of freedom coming from the gravity also plays t
 he role in inflation leading to the curved trajectory of the inflaton. Als
 o\, it can stabilize the Higgs potential at large field values. Finally\, 
 I discuss the inflationary dynamics and predictions for the Higgs and Higg
 s-dilaton inflation with the R^2 term.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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