DLR Equations for the Superstable Bose Gas at any Temperature and Activity
Mathematical Physics
2026-01-19 v3 math.MP
Probability
Abstract
We construct a thermodynamic limit for the grand canonical Bose gas in dimension (in its Feynman-Kac representation) with superstable interaction at any inverse temperature and any chemical potential . Our infinite volume model is naturally a distribution over configurations of finite loops and possibly interlacements. We prove the limiting process to solve a new class of DLR equations involving random permutations and Brownian paths.
Cite
@article{arxiv.2410.10225,
title = {DLR Equations for the Superstable Bose Gas at any Temperature and Activity},
author = {Guillaume Bellot and David Dereudre and Mylène Maïda},
journal= {arXiv preprint arXiv:2410.10225},
year = {2026}
}