CHAOS SOLITONS & FRACTALS, cilt.135, 2020 (SCI-Expanded)
This paper secures perturbed bright 1-soliton solution with polynomial and triple-power law nonlinearities. These are dispersive solitons that come with third and fourth order dispersions. The application of semi-inverse variational principle leads to the analytic closed-form expression for such a soliton with necessary parameter restrictions for them to exist and sustain. (C) 2020 Elsevier Ltd. All rights reserved.