Slow relaxation phenomena induced by breathers in nonlinear lattices

G. P. Tsironis, S. Aubry

Research output: Contribution to journalArticlepeer-review

161 Citations (Scopus)

Abstract

We study relaxation properties of one dimensional nonlinear lattices which are initially thermalized and subsequently put intp contact with a cold bath simulated by absorbing boundary conditions. We observe a nonexponential lattice energy relaxation in contrast to the standard exponential relaxation law of the corresponding linear system. We connect the long-tail relaxation behavior with the presence of long-lived nonlinear localized modes. The mobility of the breathers is shown to play a substantial role in the lattice relaxation properties.

Original languageEnglish
Pages (from-to)5225-5228
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number26
DOIs
Publication statusPublished - 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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