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19 April 2024

» arxiv » cond-mat/0012048

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Multi-component structure of nonlinear excitations in systems with length-scale competition
Peter L. Christiansen ; Yuri B. Gaididei ; Franz G. Mertens ; Serge F. Mingaleev ;
Date:	4 Dec 2000
Subject:	Soft Condensed Matter \| cond-mat.soft
Abstract:	We investigate the properties of nonlinear excitations in different types of soliton bearing systems with long-range dispersive interaction. We show that length-scale competition in such systems universally results in a multi-component structure of nonlinear excitations and can lead to a new type of multistability: coexistence of different nonlinear excitations at the same value of the spectral parameter (i.e., velocity in the case of anharmonic lattices or frequency in nonlinear Schroedinger models).
Source:	arXiv, cond-mat/0012048
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