Soliton-potential interaction in the nonlinear Klein-Gordon model

preprint2012arXivOpen access

Abstract

The interaction of solitons with external potentials in nonlinear Klein-Gordon field theory is investigated using an improved model. The presented model has been constructed with a better approximation for adding the potential to the Lagrangian through the metric of background space-time. The results of the model are compared with another model and the differences are discussed.

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