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Existence and Smoothing Effect of Solutions for the Zakharov Equations
Author(s) -
Tohru Ozawa,
Yoshio Tsutsumi
Publication year - 1992
Publication title -
publications of the research institute for mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 39
eISSN - 1663-4926
pISSN - 0034-5318
DOI - 10.2977/prims/1195168430
Subject(s) - smoothing , mathematics , envelope (radar) , function (biology) , electric field , turbulence , ion , mathematical physics , mathematical analysis , plasma , physics , thermodynamics , statistics , quantum mechanics , biology , telecommunications , radar , evolutionary biology , computer science
where E is a function from R* xR% to C9 n is a function from R^ xR% to R and 1<^JV<^3. (1. !)-(!. 3) describe the long wave Langmuir turbulence in a plasma (see [20]). E(t, x) denotes the slowly varying envelope of the highly oscillatory electric field and n(t, x) denotes the deviation of the ion density from its equilibrium. When (1.2) depends on the ion sound speed c, that is, (1.2) is replaced by

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