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Роль «толстого» солитона в динамике солитонного газа в рамках уравнения Гарднера

Пелиновский Е. Н., Диденкулова Е. Г.

We study the statistical moments of the soliton gas (mean field, variance, skewness, and kurtosis),
which is described within the framework of the Gardner equation with negative cubic nonlinearity.
The influence of the limiting (thick or table-like) soliton on the statistical moments of the soliton
gas is considered. It is shown to be substantial if the thick-soliton intensity is comparable with
that of the moderate-amplitude solitons.