Abstract
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.
Original language | English |
---|---|
Pages (from-to) | 105-144 |
Journal | Discrete and Continuous Dynamical Systems - Series B |
Volume | 3 |
Issue number | 1 |
DOIs | |
Publication status | Published - Feb 2003 |