Abstract
The two-dimensional discrete monoatomic lattice is analyzed. Taking nearest-neighbor interaction into account, the characters of the nonlinear vibration in two-dimensional discrete monoatomic lattice are described by the two-dimensional cubic nonlinear Schrodinger equation. Considering the quartic nonlinear potential, the two-dimensional discrete-soliton trains and the solutions perturbed by the neck mode are presented.
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Xu, Q., Tian, Q. The characters of nonlinear vibration in the two-dimensional discrete monoatomic lattice. Chin.Sci.Bull. 50, 5–10 (2005). https://doi.org/10.1360/04ww0068
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DOI: https://doi.org/10.1360/04ww0068