The modified Kawahara equation is studied along with its perturbation terms. The adiabatic dynamics of the soliton amplitude and the velocity of the soliton are obtained by the aid of soliton perturbation theory.
Soliton Perturbation Theory for the Modified Kawahara Equation,
Applications and Applied Mathematics: An International Journal (AAM), Vol. 3,
2, Article 5.
Available at: https://digitalcommons.pvamu.edu/aam/vol3/iss2/5