Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2006-09-09
J.Phys. A: Math. Theor. 40, 611-619 (2007)
Nonlinear Sciences
Pattern Formation and Solitons
11 pages, no figures
Scientific paper
10.1088/1751-8113/40/4/003
Stationary periodic solutions of the two-dimensional Gross-Pitaevskii equation are obtained and analyzed for different parameter values in the context of the problem of a supersonic flow of a Bose-Einstein condensate past an obstacle. The asymptotic connections with the corresponding periodic solutions of the Korteweg-de Vries and nonlinear Schr\"odinger equations are studied and typical spatial wave distributions are discussed.
El Gennady A.
Gladush Yu. G.
Kamchatnov Anatoly M.
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