Borel resummation of secular divergences in stochastic inflation

Borel resummation of secular divergences in stochastic inflation

Abstract We make use of Borel resummation to extract the exact time dependence from the divergent series found in the context of stochastic inflation. Correlation functions of self-interacting scalar fields in de Sitter spacetime are known to develop secular IR divergences via loops, and the first t...

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Bibliographic Details
Main Authors: Masazumi Honda, Ryusuke Jinno, Lucas Pinol, Koki Tokeshi
Format: Article
Language:English
Published: SpringerOpen 2023-08-01
Series:Journal of High Energy Physics
Subjects:
Nonperturbative Effects
de Sitter space
Stochastic Processes
Non-Equilibrium Field Theory
Online Access:https://doi.org/10.1007/JHEP08(2023)060

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