Stable particles in anisotropic spin-1 chains L. Campos Venuti, C. Degli Esposti Boschi, E. Ercolessi, G. Morandi, F. Ortolani, S. Pasini and M. Roncaglia Eur. Phys. J. B, 53 1 (2006) 11-18 Published online: 06 September 2006 DOI: 10.1140/epjb/e2006-00342-3