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SUMMARY:Param Singh (LSU\, USA)
DTSTART;VALUE=DATE-TIME:20201217T154500Z
DTEND;VALUE=DATE-TIME:20201217T164500Z
DTSTAMP;VALUE=DATE-TIME:20260812T020734Z
UID:indico-contribution-13971@indico.ific.uv.es
DESCRIPTION:Starting low energy scale inflation in closed universes.Title:
  Onset of Starobinsky inflation in spatially closed FLRW model\n\nAbstract
 : Recent CMB data favors a spatially closed FLRW model and low energy infl
 ation such as sourced by the Starobinsky potential. An age old problem wit
 h the latter models is that they result in a recollapse of the universe an
 d a big crunch singularity before inflation can even set in.  To resolve t
 his problem it is essential to work with a framework which is non-singular
 . We explore the resolution of this problem in loop quantum cosmology wher
 e results in the last decade suggest a generic resolution of singularity. 
 We show that quantum gravity effects result in an onset of inflation even 
 for those initial conditions where it is classically impossible. Interesti
 ngly\, a key role is played by a hysteresis-like phenomena in the early un
 iverse resulting from non-singular dynamics\n\nhttps://indico.ific.uv.es/e
 vent/6045/contributions/13971/
LOCATION:Online
URL:https://indico.ific.uv.es/event/6045/contributions/13971/
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