English

Logarithmic variance for the height function of square-ice

Probability 2022-02-01 v2 Mathematical Physics math.MP

Abstract

In this article, we prove that the height function associated with the square-ice model (i.e.~the six-vertex model with a=b=c=1a=b=c=1 on the square lattice), or, equivalently, of the uniform random homomorphisms from Z2\mathbb Z^2 to Z\mathbb Z, has logarithmic variance. This establishes a strong form of roughness of this height function.

Cite

@article{arxiv.1911.00092,
  title  = {Logarithmic variance for the height function of square-ice},
  author = {Hugo Duminil-Copin and Matan Harel and Benoit Laslier and Aran Raoufi and Gourab Ray},
  journal= {arXiv preprint arXiv:1911.00092},
  year   = {2022}
}

Comments

36 pages. Substantial revision of the RSW theorem

R2 v1 2026-06-23T12:01:35.878Z