Physics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011chphb..20a9401j&link_type=abstract
Chinese Physics B, Volume 20, Issue 1, pp. 019401 (2011).
Physics
Scientific paper
This paper investigates the collision between two nonlinear waves with different propagation directions in two-dimensional dust crystals. Using the extended Poincaré—Lighthill-Kuo perturbation method, two Korteweg—de Vries equations for nonlinear waves in both the ξ and η directions are obtained, respectively, and the analytical phase shifts and trajectories after the collision of two nonlinear waves are derived. Finally, the effects of parameters of the lattice constant a, the arbitrary constant u0η, the forces f(r), and the colliding angle θ on the phase shifts of both colliding nonlinear waves are examined.
Duan Wen-Shan
Jiang Hong
Lin Mai-Mai
Shi Yu-Ren
Yang Xiao-Xia
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