Exact bounds on the critical frustration in the Shastry-Sutherland Model
Statistical Mechanics
2007-05-23 v1
Abstract
We discuss the phase diagram of the Shastry-Sutherland model for arbitrary spin S and derive rigorous lower and upper bounds on the phase boundaries of the dimer phase by using various versions of a variational ansatz in combination with the exact diagonalisation method.
Keywords
Cite
@article{arxiv.cond-mat/0104385,
title = {Exact bounds on the critical frustration in the Shastry-Sutherland Model},
author = {Ute Löw and Erwin Müller-Hartmann},
journal= {arXiv preprint arXiv:cond-mat/0104385},
year = {2007}
}
Comments
13 pages, 8 figures