Soliton molecules, multi-breathers and dynamical behaviors of the Lakshmanan–Porsezian–Daniel equationZuoxin Xiong, Bo Ren and Wanli WangEur. Phys. J. Plus, 138 11 (2023) 1051DOI: https://doi.org/10.1140/epjp/s13360-023-04682-y