Note on the Intermediate Field Representation of Phi^2k Theory in Zero Dimension
Mathematical Physics
2016-12-26 v3 math.MP
Abstract
This expanded version corrects some misprints of the first version, details completely the poof of Borel-Leroy summability and for in the complex case provides a new improved representation which relies on ordinary convergent Gaussian integrals rather than oscillatory integrals.
Cite
@article{arxiv.1601.02805,
title = {Note on the Intermediate Field Representation of Phi^2k Theory in Zero Dimension},
author = {Luca Lionni and Vincent Rivasseau},
journal= {arXiv preprint arXiv:1601.02805},
year = {2016}
}
Comments
20 pages, 1 figure