Abstract
We present a modulation approach coupled with radiation to study the behavior of one and two space dimensional coherent structures in the sG equation. We show how the radiation induced motion can be coupled to the collective coordinates which describe the soliton. It is also shown how the usual geometric optics can be used to calculate the effect of two dimensional spiral waves on solitons. In turn this allows to study the stabilization of coherent solutions by internal degrees of freedom or the so-called PN effect. We point out some open questions in the last section.
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Cisneros-Ake, L.A., Minzoni, A.A. (2014). Effects of Radiation on sine-Gordon Coherent Structures in the Continuous and Discrete Cases. In: Cuevas-Maraver, J., Kevrekidis, P., Williams, F. (eds) The sine-Gordon Model and its Applications. Nonlinear Systems and Complexity, vol 10. Springer, Cham. https://doi.org/10.1007/978-3-319-06722-3_4
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DOI: https://doi.org/10.1007/978-3-319-06722-3_4
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