Nonlinear Landau-Zener tunneling in Majorana’s stellar representation Qiuyi Guo, Haodi Liu, Tianji Zhou, Xu-Zong Chen and Biao Wu Eur. Phys. J. D, 70 6 (2016) 128 Published online: 07 June 2016 DOI: 10.1140/epjd/e2016-70059-y