Exact Groundstates for Antiferromagnetic Spin-One Chains with Nearest and Next-Nearest Neighbour Interactions
Condensed Matter
2009-10-22 v1
Abstract
We have found the exact ground state for a large class of antiferromagnetic spin-one chains with nearest and next-nearest neighbour interactions. The ground state is characterized as a matrix product of local site states and has the properties characteristic of the Haldane scenario.
Keywords
Cite
@article{arxiv.cond-mat/9409107,
title = {Exact Groundstates for Antiferromagnetic Spin-One Chains with Nearest and Next-Nearest Neighbour Interactions},
author = {C. Lange and A. Klümper and J. Zittartz},
journal= {arXiv preprint arXiv:cond-mat/9409107},
year = {2009}
}
Comments
8 pages, to appear in Z. Phys. B, preprint Cologne-94-4745