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

页码：545 / 553

页数：9

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