Two-component nonlinear wave solutions of the sixth-order generalised Boussinesq-type equations
Abstract
Two different versions of cubic sixth-order generalised Boussinesq-type wave equations are considered in this study. A generalised perturbation reduction method is used to solve these equations, which allows the reduction of considered equations to coupled nonlinear Schrodinger equations. Two-component nonlinear wave solutions are obtained. The profiles and parameters of these solutions for both nonlinear equations are presented and compared. These solutions coincide with the vector 0 π pulse of self-induced transparency, which was previously studied in several known nonlinear wave equations.
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