PoS - Proceedings of Science
Volume 451 - European network for Particle physics, Lattice field theory and Extreme computing (EuroPLEx2023) - Plenary Session
Approaches to the Inverse Problem
A. Lupo*, L. Del Debbio, M. Panero and N. Tantalo
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Pre-published on: October 14, 2024
Published on:
Abstract
The analytical continuation of correlation functions from imaginary to real time is a crucial step in lattice gauge theories, and it challenges our ability to derive non-perturbative predictions from lattice simulations. We review aspects of this ``inverse problem'', which has driven both theoretical and algorithmic advancements in recent years, opening new promising avenues for non-perturbative studies of the Standard Model and beyond. The focus of this proceeding will be on variations of Backus-Gilbert and Bayesian methods.
DOI: https://doi.org/10.22323/1.451.0019
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