Symmetry of spin Calogero-Sutherland models
arXiv:0710.3485
Abstract
We introduce osp(m|n) spin Calogero-Sutherland models and find that the models have the symmetry of osp(m|n) half-loop algebra or Yangian of osp(m|n) if and only if the coupling constant of the model equals to 2/(m-n-4).
10 pages. Corrected typos. Title and abstruct are slightly changed. A new section is added