XH Wu, YT Gao, X Yu, CC Ding, LQ Li - Chaos, Solitons & Fractals, 2022 - Elsevier
In this paper, a Lakshmanan-Porsezian-Daniel equation, which describes the nonlinear spin
excitations in a (1+ 1)-dimensional isotropic biquadratic Heisenberg ferromagnetic spin …