Gap solitons on a coupled nonlinear transmission line

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• 作者：Essimbi ; B.Z. ; Ambassa ; L. ; Kofane ; T.C.
• 关键词：Coupled nonlinear transmission line ; Nonlinearity-induced gap ; Gap solitons ; Numerical computations ; Phase plane ; Stability of the proposed gap soliton solutions ; Positive and negative pulses ; Kink-type and antikink-type solutions
• 刊名：Physica D
• 出版年：1997
• 期刊代码：55_01672789
• 类别：ph
• 出版时间：July 15, 1997
• 卷：106
• 期：1-2
• 页码：207-217
• 文件大小：540 K

摘要

A new type of nonlinear coupled transmission line which consists of two LC ladder lines connected by intermediary capacitors has been introduced in order to investigate theoretically and numerically a new class of localized solitary excitations, the so-called gap solitons. The nonlinear capacitor whose capacitance depends on the square root of the applied voltage is used in each line. These localized exitations are due to the nonlinearity-induced gap in the continuous wave spectrum of the coupled line.