The hand-made tail: non-perturbative tails from multifield inflation

Abstract It is becoming increasingly clear that large but rare fluctuations of the primordial curvature field, controlled by the tail of its probability distribution, could have dramatic effects on the current structure of the universe — e.g. via primordial black-holes. However, the use of standard...

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Bibliographic Details
Main Authors: Ana Achúcarro, Sebastián Céspedes, Anne-Christine Davis, Gonzalo A. Palma
Format: Article
Language:English
Published: SpringerOpen 2022-05-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP05(2022)052