Abstract
We show that bright solitary waves of different topologies can exist in a discrete system with a quadratic nonlinearity. Analytical solutions can be derived for a limiting case. The regions of existence and stability are identified. We numerically study interaction and collision phenomena. Various decay scenarios for unstable solutions are discussed.
- Received 13 May 1997
DOI:https://doi.org/10.1103/PhysRevE.57.1127
©1998 American Physical Society
