Soliton tunneling

Details Soliton tunneling Soliton tunneling

1997-04-30

arxiv.org/abs/hep-th/9704208v2

Physics

High Energy Physics

High Energy Physics - Theory

Latex source, 5 postscipt figures. Accepted for publication in Physical Review E, rapid communications

Scientific paper

We present a numerical simulation of the scattering of a topological soliton off finite size attractive impurities, repulsive impurities and a combination of both. The attractive and attractive-repulsive cases show similar features to those found for $\delta$ function type of impurities. For the repulsive case, corresponding to a finite width barrier, the soliton behaves completely classically. No tunneling occurs for sub-barrier kinetic energies despite the extended nature of the soliton.

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