Soliton-antisoliton collision in the ultradiscrete modified KdV equation

被引：6
|
作者：
Isojima, S.
Murata, M.
Nobe, A.
Satsuma, J.
机构：
[1] Univ Tokyo, Grad Sch Math Sci, Meguro Ku, Tokyo 1538914, Japan
[2] Osaka Univ, Dept Engn Sci, Fac Informat Sci, Toyonaka, Osaka 5608531, Japan
[3] Aoyama Gakuin Univ, Dept Math & Phys, Coll Sci & Engn, Sagamihara, Kanagawa 2298558, Japan
来源：
PHYSICS LETTERS A | 2006年 / 357卷 / 01期
关键词：
integrable systems; soliton; discrete; cellular automaton; modified KdV equation;
D O I：
10.1016/j.physleta.2006.04.018
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The discrete modified Korteweg-de Vries equation admits exact solutions with nondefinite sign, which describe interaction among solitons with positive and negative amplitude. In this Letter a transformation of hyperbolic sine type is proposed in order to ultradiscretize this equation and solutions. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：31 / 35
页数：5
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