Multi-component structure of nonlinear excitations in systems with length-scale competition

被引：17
|
作者：
Christiansen, PL [1 ]
Gaididei, YB
Mertens, FG
Mingaleev, SF
机构：
[1] Tech Univ Denmark, Dept Math Modelling, DK-2800 Lyngby, Denmark
[2] Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine
[3] Univ Bayreuth, Inst Phys, D-95440 Bayreuth, Germany
来源：
EUROPEAN PHYSICAL JOURNAL B | 2001年 / 19卷 / 04期
关键词：
D O I：
10.1007/s100510170300
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigate the properties of nonlinear excitations in different types of soliton carrying systems with long-range dispersive interactions. We show that length-scale competition in such systems, universally results: in a multi-component structure of nonlinear excitations which may 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 of frequency in nonlinear Schrodinger models).
引用
收藏
页码：545 / 553
页数：9
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