Geometric solitary waves in a 2D mass-spring lattice

被引:0
作者
Friesecke, G [1 ]
Matthies, K [1 ]
机构
[1] Univ Warwick, Inst Math, Coventry CV4 7AL, W Midlands, England
来源
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B | 2003年 / 3卷 / 01期
关键词
lattice dynamics; many-particle systems; solitary waves; geometric nonlinearity;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The existence of longitudinal solitary waves is shown for the Hamiltonian dynamics of a 2D elastic lattice of particles interacting via harmonic springs between nearest and next nearest neighbours. A contrasting nonexistence result for transversal solitary waves is given. The presence of the longitudinal waves is related to the two-dimensional geometry of the lattice which creates a universal overall anharmonicity.
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页码:105 / 114
页数:10
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