Local properties in the two-dimensional t-t'-U model
Strongly Correlated Electrons
2008-02-03 v1 Superconductivity
Abstract
We have studied the t-t'-U model by means of the composite operator method. The effect of the bare diagonal hopping term t' that appears to be material dependent for high-Tc cuprate superconductors is analyzed in detail. In particular, some local quantities are computed and a comprehensive comparison with the data by numerical simulations on finite size lattices is presented. The result show a good agreement with those obtained by Monte Carlo methods.
Cite
@article{arxiv.cond-mat/9705033,
title = {Local properties in the two-dimensional t-t'-U model},
author = {Adolfo Avella and Ferdinando Mancini and Dario Villani and Hideki Matsumoto},
journal= {arXiv preprint arXiv:cond-mat/9705033},
year = {2008}
}
Comments
3 pages, 3 figures in one Postscript file, RevTeX, to be published in Physica B