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Soliton perturbation theory for phi-four model and nonlinear Klein–Gordon equations
Journal article   Peer reviewed

Soliton perturbation theory for phi-four model and nonlinear Klein–Gordon equations

Ryan Sassaman and Anjan Biswas
Communications in nonlinear science & numerical simulation, Vol.14(8), pp.3239-3249
08/2009
DOI: https://doi.org/10.1016/j.cnsns.2008.12.020

Abstract

Adiabaticity Integrals of motion Soliton perturbation
This paper obtains the adiabatic variation of the soliton velocity, in presence of perturbation terms, of the phi-four model and the nonlinear Klein–Gordon equations. There are three types of models of the nonlinear Klein–Gordon equation, with power law nonlinearity, that are studied in this paper. The soliton perturbation theory is utilized to carry out this investigation.

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