Low energy effective Hamiltonian for the XXZ spin chain
Condensed Matter
2009-10-30 v1 High Energy Physics - Theory
Abstract
Coupling constants for the most relevant terms in the low energy effective Hamiltonian of the XXZ spin chain are derived. Using this result we study the low energy (low temperature, weak magnetic field) thermodynamics, finite size effects and subleading long distance asymptotics of correlation functions.
Keywords
Cite
@article{arxiv.cond-mat/9712314,
title = {Low energy effective Hamiltonian for the XXZ spin chain},
author = {S. Lukyanov},
journal= {arXiv preprint arXiv:cond-mat/9712314},
year = {2009}
}
Comments
20 pages, harvmac.tex, two epsf figures