Beyond perturbation theory in inflation

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• Paolo Creminelli (ICTP, Trieste)
• Monday 04 December 2023, 13:00-14:00
• CMS, Pav. B, CTC Common Room (B1.19) [Potter Room].

If you have a question about this talk, please contact Dr Dong-Gang Wang.

Deviations from Gaussianity in inflation are usually calculated using perturbation theory. This method, however, fails for unlikely events on the tail of the probability distribution, like the formation of a primordial black hole. I explain how one can explore these unlikely events using semiclassical methods and then discuss the case of resonant non-Gaussianity.

This talk is part of the Cosmology Lunch series.

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