Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2006-04-05
Nonlinear Sciences
Pattern Formation and Solitons
10 pages, 0 figure, to appear, Communications in theoretical physics
Scientific paper
The Hirota equation is a higher order extension of the nonlinear Schroedinger equation by incorporating third order dispersion and one form of self steepening effect. New periodic waves for the discrete Hirota equation are given in terms of elliptic functions. The continuum limit converges to the analogous result for the continuous Hirota equation, while the long wave limit of these discrete periodic patterns reproduces the known result of the integrable Ablowitz-Ladik system.
Chow Kwok-wing
Conte Robert
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