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SUMMARY:Inflation and conformal symmetry - Guilherme Pimentel (DAMTP)
DTSTART:20151012T120000Z
DTEND:20151012T130000Z
UID:TALK60808@talks.cam.ac.uk
CONTACT:Tommaso Giannantonio
DESCRIPTION:Inflationary spacetimes can be approximated by de Sitter space
 \, which enjoys as many isometries as Minkowski space. These isometries ar
 e related to the conformal group in a simple fashion. I will show how the 
 assumption of a quasi-de Sitter universe during inflation can constrain ce
 rtain observables\, like non-Gaussianities and so called consistency condi
 tions between tensor and scalar power spectra. The constraints arise from 
 the (weakly broken) conformal symmetry of the wavefunction of the Universe
 .
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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