Real-Time Feynman Path Integral Realization of Instantons
High Energy Physics - Theory
2014-08-20 v2
Abstract
In Euclidean path integrals, quantum mechanical tunneling amplitudes are associated with instanton configurations. We explain how tunneling amplitudes are encoded in real-time Feynman path integrals. The essential steps are borrowed from Picard-Lefschetz theory and resurgence theory.
Keywords
Cite
@article{arxiv.1408.0012,
title = {Real-Time Feynman Path Integral Realization of Instantons},
author = {Aleksey Cherman and Mithat Unsal},
journal= {arXiv preprint arXiv:1408.0012},
year = {2014}
}
Comments
v1, 5 pages, 2 figures. v2: typos fixed, references added