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Stability of non-time-reversible phonobreathers

By Jesús Cuevas-Maraver, Juan F. R. Archilla and Francisco Romero Romero

Abstract

Non-time reversible phonobreathers are non-linear waves that can transport energy in coupled oscillator chains by means of a phase-torsion mechanism. In this paper, the stability properties of these structures have been considered. It has been performed an analytical study for low-coupling solutions based upon the so called multibreather stability theorem previously developed by some of the authors [Physica D 180 235]. A numerical analysis confirms the analytical predictions and gives a detailed picture of the existence and stability properties for arbitrary frequency and coupling.MICINN project FIS2008-0484

Topics: Computational physics, Statistical physics and nonlinear systems
Publisher: 'IOP Publishing'
Year: 2011
DOI identifier: 10.1088/1751-8113/44/3/035102
OAI identifier: oai:idus.us.es:11441/24834

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