Two-loop Correction to the Instanton Density for the Double Well Potential
High Energy Physics - Phenomenology
2016-08-14 v1 High Energy Physics - Theory
Abstract
Feynman diagrams in the instanton background are used for the calculation of the tunneling amplitude, up to the two-loops order. Some mistakes made in the previous works are corrected. The same method is applied to the next-order corrections to the ground state wave function.
Keywords
Cite
@article{arxiv.hep-ph/9402287,
title = {Two-loop Correction to the Instanton Density for the Double Well Potential},
author = {Christian F. Wöhler and Edward Shuryak},
journal= {arXiv preprint arXiv:hep-ph/9402287},
year = {2016}
}