Off-critical correlations in the Ashkin-Teller model
High Energy Physics - Theory
2009-10-31 v1 Condensed Matter
Abstract
We use the exact scattering description of the scaling Ashkin-Teller model in two dimensions to compute the two-particle form factors of the relevant operators. These provide an approximation for the correlation functions whose accuracy is tested against exact sum rules.
Cite
@article{arxiv.hep-th/9811215,
title = {Off-critical correlations in the Ashkin-Teller model},
author = {G. Delfino},
journal= {arXiv preprint arXiv:hep-th/9811215},
year = {2009}
}
Comments
8 pages, latex