Breathers and thermal relaxation in Fermi-Pasta-Ulam arrays

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Title:	Breathers and thermal relaxation in Fermi-Pasta-Ulam arrays
Author:	Reigada Sanz, Ramon; Sarmiento, Antonio; Lindenberg, Katja
Other authors:	Universitat de Barcelona
Abstract:	Breather stability and longevity in thermally relaxing nonlinear arrays depend sensitively on their interactions with other excitations. We review numerical results for the relaxation of breathers in Fermi¿Pasta¿Ulam arrays, with a specific focus on the different relaxation channels and their dependence on the interparticle interactions, dimensionality, initial condition, and system parameters
Subject(s):	-Física estadística -Termodinàmica -Differentiable dynamical systems -Física matemàtica -Statistical physics -Thermodynamics -Sistemes dinàmics diferenciables -Mathematical physics
Rights:	(c) American Institute of Physics, 2003
Document type:	Article Article - Published version
Published by:	American Institute of Physics
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