Soliton tunneling with sub-barrier kinetic energies

Abstract

We investigate (theoretically and numerically) the dynamics of a soliton moving in an asymmetrical potential well with a finite barrier. For large values of the width of the well, the width of the barrier and/or the height of the barrier, the soliton behaves classically. On the other hand, we obtain the conditions for the existence of soliton tunneling with sub-barrier kinetic energies. We apply these results to the study of soliton propagation in disordered systems.

6 eps figures. To appear in Physical Review E (Rapid Communications)

References in corpus (1)

• Resonance phenomena of a solitonlike extended object in a bistable potential

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• Controlled transport of solitons and bubbles using external perturbations
• Dynamical localization of matter wave solitons in managed barrier potentials
• Highly-enhanced propagation of long-range kinks in heterogeneous media