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SUMMARY:Non-Gaussianities in Single Field Inflation - Raquel Ribeiro (DAMT
 P)
DTSTART:20110307T130000Z
DTEND:20110307T140000Z
UID:TALK29845@talks.cam.ac.uk
CONTACT:Tasos Avgoustidis
DESCRIPTION:Non-gaussian statistics are a powerful discriminant between in
 flationary models\, especially those with non-canonical kinetic structure.
  Focusing on theories where the Lagrangian is an arbitrary Lorentz-invaran
 t function of a scalar field and its first derivatives\, we review the com
 putation of the observable three-point function. We present results of the
  "next-order" slow-roll corrections in closed form\, finding that these ca
 n be quite large - of order 70% in DBI inflation\, for example. We show th
 at these results verify Maldacena's consistency condition at next-order fo
 r the squeezed limit of the bispectrum\, and determine its leading-order s
 cale dependence.
LOCATION:CMS\, Pav.B\, CTC Common Room (B1.19)
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