English

Renormalized asymptotic enumeration of Feynman diagrams

High Energy Physics - Theory 2017-09-05 v2 Combinatorics

Abstract

A method to obtain all-order asymptotic results for the coefficients of perturbative expansions in zero-dimensional quantum field is described. The focus is on the enumeration of the number of skeleton or primitive diagrams of a certain QFT and its asymptotics. The procedure heavily applies techniques from singularity analysis and is related to resurgence. To utilize singularity analysis, a representation of the zero-dimensional path integral as a generalized hyperelliptic curve is deduced. As applications the full asymptotic expansions of the number of disconnected, connected, 1PI and skeleton Feynman diagrams in various theories are given.

Keywords

Cite

@article{arxiv.1703.00840,
  title  = {Renormalized asymptotic enumeration of Feynman diagrams},
  author = {Michael Borinsky},
  journal= {arXiv preprint arXiv:1703.00840},
  year   = {2017}
}

Comments

49 pages; version 2: corrected typos, updated references, added minor clarifications