Abstract
The nonlinear dynamics of systems with a spatially periodic ground state was studied. The dynamics of kinks against the background of a periodic soliton structure was considered for the example of the sine-Klein-Gordon model that described a fluxon lattice in a long Josephson contact in an external magnetic field and an incommensurate structure of a surface atomic layer or adatom chains on the surface of a crystal. The velocity of moving kinks was shown to be bounded from above and from below if the ground state was spatially periodic.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 122, No. 5, 2002, pp. 1116–1124.
Original Russian Text Copyright © 2002 by Kovalev, Gerasimchuk.
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Kovalev, A.S., Gerasimchuk, I.V. Nonlinear localization of excitations and the dynamics of solitons in self-modulated systems. J. Exp. Theor. Phys. 95, 965–972 (2002). https://doi.org/10.1134/1.1528689
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DOI: https://doi.org/10.1134/1.1528689