Discrete fronts and quasirectangular solitons
S. A. DarmanyanInstitute of Solid State Physics and Theoretical Optics, Friedrich-Schiller-Universität Jena, D-07743 Jena, GermanyA. KobyakovInstitute of Solid State Physics and Theoretical Optics, Friedrich-Schiller-Universität Jena, D-07743 Jena, GermanyF. LedererInstitute of Solid State Physics and Theoretical Optics, Friedrich-Schiller-Universität Jena, D-07743 Jena, GermanyLuis Vázquez
1999en
ABI
Аннотация
We analytically and numerically demonstrate the existence of strongly localized frontlike and quasirectangular solitary waves in anharmonic chains described by the discrete nonlinear Schr\"odinger equation. The stability of discrete fronts is predicted by direct linear analysis and numerically confirmed. The dynamics of interaction between bright pulses and front solutions is investigated.
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