Possible soliton motion in ac-driven damped nonlinear lattices
- 1 October 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 50 (13) , 9652-9655
- https://doi.org/10.1103/physrevb.50.9652
Abstract
We study the possibility of kink motion induced by pure ac driving in damped nonlinear lattices, focusing on the Frenkel-Kontorova and Toda models. Numerical simulations of the Frenkel-Kontorova model show no evidence for steady kink motion. We point out that momentum-balance in addition to energy-balance arguments are needed to understand the translation of the collective excitation. Finally, our result is discussed in view of related theoretical predictions and numerical simulations.Keywords
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