BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CERN//INDICO//EN
BEGIN:VEVENT
SUMMARY:Manifestly covariant theory of stochastic inflation
DTSTART;VALUE=DATE-TIME:20201007T060000Z
DTEND;VALUE=DATE-TIME:20201007T080000Z
DTSTAMP;VALUE=DATE-TIME:20201029T105256Z
UID:indico-event-374@cern.ch
DESCRIPTION:The stochastic approach to inflation can non-perturbatively tr
eat the superhorizon fluctuations as the classical random noise to go beyo
nd the standard perturbative QFT approach. I first review how this approac
h enables us to calculate the observable curvature perturbations in a non-
perturbative way and how it can be implemented in a numerical program. I t
hen describe the covariance of the stochastic theory and the discretizatio
n scheme of the stochastic noise\, which are important both theoretically
and practically. Mathematically the stochastic noise can be discretized in
an arbitrary manner\, but we reveal the physically motivated discretizati
on\, which ensures the covariance of the stochastic theory on the inflaton
s' target manifold.\n\nhttps://indico.ibs.re.kr/event/374/
LOCATION: On-line seminar
URL:https://indico.ibs.re.kr/event/374/
END:VEVENT
END:VCALENDAR