A Propagating Self-Localized Mode in a One-Dimensional Lattice with Quartic Anharmonicity
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概要
- 論文の詳細を見る
A pure one-dimensional lattice with quartic anharrnonicity and nearest-neighbor 111teractions is shown to exhibit a fairly well-defined propagating self-localized modeabove the harmonic frequency band. This is a propagating-mode version of a stationary, immobile p-like self-localized mode having the displaccment pattern ( l l l , 0,0, - 1 /2, 1 /2, 0, 0, = f ?) in the extreme localization limit. An approximate analyticalexpression for localized-mode envelope functions is o btained in a form similar to thatof the Ablowitz-Ladik lattice solitons. Nonlinear eigenvalue eqttations are studied byusing the method of lattice Green's functions, by which an approximate analytical expression for the dispersion relation of the localized mode is al',o obtained.
- 社団法人日本物理学会の論文
- 1990-09-15
著者
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Hori Kazunari
Department Of Electronic Faculty Of Engineering And Design Kyoto Institute Of Technology
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Hori Kazunari
Department Of Electronics Faculty Of Engineering And Design Kyoto Institute Of Technology
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Takeno Shozo
Physics Laboratory Faculty Of Engineering And Desigh Kyoto Institute Of Technology
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Takeno Shozo
Physics Laboratory Department Of Electronics Faculty Of Engineering And Design Kyoto Institute Of Te
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