KINK-PROFILE VIBRATIONAL-MODES IN ONE-DIMENSIONAL NONLINEAR LATTICES

Authors
CHUBYKALO OA KIVSHAR YS
Citation
Oa. Chubykalo et Ys. Kivshar, KINK-PROFILE VIBRATIONAL-MODES IN ONE-DIMENSIONAL NONLINEAR LATTICES, Physics letters. A, 178(1-2), 1993, pp. 123-128
Citations number
18
Categorie Soggetti
Physics
Journal title
Physics letters. A → ACNP
ISSN journal
03759601
Volume
178
Issue
1-2
Year of publication
1993
Pages
123 - 128
Database
ISI
SICI code
0375-9601(1993)178:1-2<123:KVIONL>2.0.ZU;2-7
Abstract
It is shown that highly localized discrete modes may exist on a nonlin ear standing background wave. In the framework of the rotating wave ap proximation, a few types of such modes are found analytically and nume rically for the chain of particles interacting through harmonic and qu artic anharmonic potentials in the case of the so-called ''hard'' nonl inearity. The case of ''soft'' nonlinearity is also briefly discussed.