Breatherlike impurity modes in discrete nonlinear lattices

D. Hennig, K. Rasmussen, G. P. Tsironis, H. Gabriel

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We investigate the properties of a disordered generalized discrete nonlinear Schrödinger equation, containing both diagonal and nondiagonal nonlinear terms. The equation models a linear host lattice doped with nonlinear impurities. We find different types of impurity states that form itinerant breather states in the vicinity of the impurities. We analyze the properties of these breathers analytically and numerically.

Original languageEnglish
Pages (from-to)R4628-R4631
JournalPhysical Review E
Volume52
Issue number5
DOIs
Publication statusPublished - 1995

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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