English

The subcritical finite-volume massive sine-Gordon model

Mathematical Physics 2025-08-21 v2 math.MP Probability

Abstract

We present a construction of the finite-volume massive sine-Gordon model in the UV subcritical regime using a renormalization group method. The resulting measure has Gaussian tails, respects toroidal symmetries and is reflection-positive.

Keywords

Cite

@article{arxiv.2508.13778,
  title  = {The subcritical finite-volume massive sine-Gordon model},
  author = {Jaka Pelaič},
  journal= {arXiv preprint arXiv:2508.13778},
  year   = {2025}
}

Comments

Fixed an issue with the choice of mollifier (+ typos)