Nonlinear interactions of solitary waves
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A.I. Potapov; I.S. Pavlov; K.A. Gorshkov; G.A. Maugin
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Article
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2001
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Elsevier Science
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English
โ 226 KB
Oscillations of a two-dimensional square lattice are considered. Interactions between the neighbouring particles in a basis plane only are taken into account. In the paraxial approximation of the diffraction theory, the Kadomtsev-Petviashvili (KP) evolution equation has been derived for quasiplane w