Rogue waves and breathers in Heisenberg spin chain Aritra K. Mukhopadhyay, Vivek M. Vyas and Prasanta K. Panigrahi Eur. Phys. J. B, 88 7 (2015) 188 Published online: 22 July 2015 DOI: 10.1140/epjb/e2015-60229-8