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On symmetric breather collisions in lattices with saturable nonlinearity

✍ Scribed by A. Maluckov; Lj. Hadžievski; M. Stepić

Book ID
111622034
Publisher
Springer
Year
2006
Tongue
English
Weight
299 KB
Volume
53
Category
Article
ISSN
1434-6036

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Breathers in one-dimensional nonlinear thermalized lattice with an energy gap
✍ M. Eleftheriou; S. Flach; G.P. Tsironis 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 196 KB

We study a model of a nonlinear lattice with an on-site potential that induces a breather gap, i.e. a frequency interval where breathers are unstable. The gap is determined numerically and after thermalization of the system we compute power spectra of local displacements. We find that the gap is cle