Graduate School in Nonlinear Science
MIDIT OFD CATS
Modelling, Nonlinear Dynamics Optics and Fluid Dynamics Chaos and Turbulence Studies
and Irreversible Thermodynamics Risø National Laboratory Niels Bohr Institute and
Technical University of Denmark Building 128 Department of Chemistry
Building 321 P.O. Box 49 University of Copenhagen
DK-2800 Lyngby DK-4000 Roskilde DK-2100 Copenhagen Ø
Denmark Denmark Denmark
by Juan FR Archilla
Departamento de Fisica Applicada I
ETS de Ingenieria Informatica
Dark breathers consist of the opposite type of localization
than the usual breathers (bright breathers).
That is, most of the particles ofa discrete system are oscillating
with large amplitude while a few or only one have very small amplitude.
The conditions of the theorems that garantee the stability of bright
breathers are not fulfilled for the dark ones. However, there is a
number of situations where they are stable, which is fully understable in
the framework of Aubry's band theory. This opens the possibility of
observing them in real systems, like DNA.
Tuesday, November 13, 2001, 14.00 h
at IMM, Bldg. 305, Room 018, DTU