It is argued that the effective string of whatever 3D gauge system at the deconfining transition is universally described by the minimal N=2 extended superconformal theory at c=1. A universal value of the critical temperature is predicted.
@article{arxiv.hep-th/9110002,
title = {The Effective String of 3D Gauge Systems at the Deconfining Transition},
author = {M. Caselle and F. Gliozzi},
journal= {arXiv preprint arXiv:hep-th/9110002},
year = {2009}
}