Multi-component structure of nonlinear excitations in systems with length-scale competition
نویسندگان
چکیده
We investigate the properties of nonlinear excitations in different types of soliton bearing systems with long-range dispersive interaction. We show that length-scale competition in such systems universally results in a multi-component structure of nonlinear excitations and can lead to a new type of multistability: coexistence of different nonlinear excitations at the same value of the spectral parameter (i.e., velocity in the case of anharmonic lattices or frequency in nonlinear Schrödinger models). PACS. 05.45.Yv Solitons – 02.70.Hm Spectral methods – 42.65.Pc Optical bistability, multistability, and switching
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تاریخ انتشار 2008