Year: 1993
Type: article
Abstract: We discuss the process by which energy, initially evenly distributed in a nonlinear lattice, can localize itself into large amplitude excitations. We show that the standard modulational instability mechanism, which can initiate the process by the formation of small amplitude breathers, is completed efficiently, in the presence of discreteness, by energy exchange mechanisms between the nonlinear excitations which favor systematically the growth of the large excitations. The process is, however, self-regulated because the large amplitude excitations are finally trapped by the Peierls-Nabarro potential.
Source: Physical Review Letters
Authors: Thierry Dauxois, Michel Peyrard
Institution: École Normale Supérieure de Lyon
Language: English
Topic: Nonlinear Photonic Systems
Subfield: Statistical and Nonlinear Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funder: Los Alamos National Laboratory
OpenAlex ID: W1971457534