Solitary waves in a nonintegrable Fermi-Pasta-Ulam chain

被引：24

作者：

Truskinovsky, Lev ^{[1
]}

Vainchtein, Anna ^{[2
]}

机构：

[1] Ecole Polytech, CNRS UMR 7649, LMS, F-91128 Palaiseau, France

[2] Univ Pittsburgh, Dept Math, Pittsburgh, PA 15260 USA

来源：

PHYSICAL REVIEW E | 2014年 / 90卷 / 04期

基金：

美国国家科学基金会;

关键词：

SOLITONS; LATTICES; APPROXIMATIONS;

D O I：

10.1103/PhysRevE.90.042903

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We present a family of exact solutions describing discrete solitary waves in a nonintegrable Fermi-Pasta-Ulam chain. The family is sufficiently rich to cover the whole spectrum of known behaviors from delocalized quasicontinuum waves moving with near-sonic velocities to highly localized anticontinuum excitations with only one particle moving at a time.

引用

页数：8

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