Abstract
The nonlinear Schrödinger equationA t ±iA xx+i‖A‖2 A=0 describes an envelope of periodic waves with slowly varying parameters on water, in plasmas, and in nonlinear optics [1]. This equation can also be applied to steady periodic waves (the wave amplitude and wave number do not depend on time, the variablest andx are replaced by the variables of a horizontal coordinate system on the surface of the fluid [2]). In the present paper the properties of a modified Schrödinger equation involving the third and higher derivatives are studied. Solutions describing transition regions between uniform wave states are obtained numerically. If the structure of the transition region whose extent increases with time is not considered, these solutions may be interpreted as jumps.
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Additional information
Moscow. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 4, pp. 111–124, July–August, 1994.
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Bakholdin, I.B. Wave jumps in media described by a modified Schrödinger equation. Fluid Dyn 29, 528–539 (1994). https://doi.org/10.1007/BF02319074
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DOI: https://doi.org/10.1007/BF02319074