Dynamics of Discrete Solitons in Media with Varying Nonlinearity
F. Kh. AbdullaevPhysical-Technical Institute of the Uzbek Academy of Sciences, Tashkent, UzbekistanE. N. TsoyPhysical-Technical Institute of the Uzbek Academy of Sciences, Tashkent, UzbekistanBoris A. MalomedDepartment of Interdisciplinary Studies, Faculty of Engineering, Tel Aviv University, Tel-Aviv, IsraelR. A. KraenkelInstituto de Fíisica Teóorica, UNESP, Sãao Paulo, Brazil
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The dynamics of discrete solitons under the action of periodic modulations of the nonlinearity is considered. The existence of quasi-stationary states is predicted in the cases of both slow and rapid modulations. A possibility of soliton splitting in the case of resonance modulations is demonstrated.
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