Kink soliton dynamics for systems incorporating higher-order nonlinearity and dispersion Xiangbo Zhu, Yunsong Guo, Xiaoning Liu, Yubin Jiao, Ying Wang and Shuyu Zhou Eur. Phys. J. D, 76 2 (2022) 28 Published online: 11 February 2022 DOI: 10.1140/epjd/s10053-022-00354-1