Is the purely biquadratic spin 1 chain always massive?
Statistical Mechanics
2007-05-23 v1 Strongly Correlated Electrons
Abstract
It is shown that the sl(2)q-invariant open antiferromagnetic XXZ spin chain with a boundary field has a gapless sector in the thermodynamic limit when its length is odd. Owing to a Temperley-Lieb equivalence of the spectra, the same conclusion is drawn for the purely biquadratic spin 1 chain with open boundaries and odd length.
Cite
@article{arxiv.cond-mat/0012439,
title = {Is the purely biquadratic spin 1 chain always massive?},
author = {Giuseppe Albertini},
journal= {arXiv preprint arXiv:cond-mat/0012439},
year = {2007}
}
Comments
7 pages, Revtex