Stability of non-time-reversible phonobreathers

Details Stability of non-time-reversible phonobreathers Stability of non-time-reversible phonobreathers

2010-11-24

arxiv.org/abs/1011.5450v1

Nonlinear Sciences

Pattern Formation and Solitons

J. Phys. A.:Math. and Theor. In Press (2010)

Scientific paper

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 {\em multibreather stability theorem} previously developed by some of the authors [Physica D {\bf 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.

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