Moving d-Dimensional Nonlinear Localized Modes and Envelope Solitons in Nonlinear Exciton Transfer Models in Lattices
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概要
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Several lattice models of nonlirnear excitation transfer in a V-dimensional version ofthe simple cubic lattice are prcsernted to show the existence of exact moving d-dimen-sional nonlinear localized mode solutions. The eigenfrequencies of the localizedmodes appear either below or above the linear exciton frequency band. Profile func-lions of the four types of localized modes considered here are described by the sech-function, the square of the sech-function, the cosech-function ztnd the square of thecosech-function, of which the first and the third are identified as envelope so[itons inthe d-dimensional lattice.
- 社団法人日本物理学会の論文
- 1992-05-15
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