Localized moving breathers in a 2D hexagonal lattice

J. L. Marín, J. C. Eilbeck, F. M. Russell

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

We show for the first time that highly localized in-plane breathers can propagate in specific directions with minimal lateral spreading in a model 2D hexagonal nonlinear lattice. The lattice is subject to an on-site potential in addition to longitudinal nonlinear interparticle interactions. This study investigates the prediction that stable breather-like solitons could be formed as a result of energetic scattering events in a given layered crystal and would propagate in atomic-chain directions in certain atomic planes. This prediction arose from a long-term study of previously unexplained dark lines in natural crystals of muscovite mica. © 1998 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)225-229
Number of pages5
JournalPhysics Letters A
Volume248
Issue number2-4
Publication statusPublished - 9 Nov 1998

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