High temperature study of the Kosterlitz-Thouless phase transition in the XY model on the triangular lattice
Statistical Mechanics
2009-10-31 v1 High Energy Physics - Lattice
Abstract
High temperature series expansions of the spin-spin correlation function for the XY (or plane rotator) model on the triangular lattice are extended by two terms up to order beta^{14}. Tables of the expansion coefficients are reported for the correlation function spherical moments of order l=0 and 2. Our analysis of the series supports the Kosterlitz-Thouless predictions on the structure of the critical singularities and leads to fairly accurate estimates of the critical parameters.
Keywords
Cite
@article{arxiv.cond-mat/9902326,
title = {High temperature study of the Kosterlitz-Thouless phase transition in the XY model on the triangular lattice},
author = {P. Butera and M. Comi},
journal= {arXiv preprint arXiv:cond-mat/9902326},
year = {2009}
}
Comments
12 pages, LateX, figures reported only in the printed version