no. 4
From the Klein–Gordon–Zakharov system to a singular nonlinear Schrödinger system
[Du système de Klein–Gordon–Zakharov vers un système de Schrödinger nonlinéaire singulier]
Annales de l'I.H.P. Analyse non linéaire, Tome 27 (2010) no. 4, pp. 1073-1096.

Dans cet article, on continue l'investigation des limites haute fréquence et subsonique du système de Klein–Gordon–Zakharov. Formellement, le système limite est le système de Schrödinger nonlinéaire. Cependant, pour un cas particulier des paramètres, on trouve un nouveau modèle qui contient un terme singulier. L'objet de ce papier est de donner une dérivation rigoureuse de ce modèle et de montrer la convergence dans l'espace d'énergie.

In this paper, we continue our investigation of the high-frequency and subsonic limits of the Klein–Gordon–Zakharov system. Formally, the limit system is the nonlinear Schrödinger equation. However, for some special case of the parameters going to the limits, some new models arise. The main object of this paper is the derivation of those new models, together with convergence of the solutions along the limits.

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     title = {From the {Klein{\textendash}Gordon{\textendash}Zakharov} system to a singular nonlinear {Schr\"odinger} system},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1073--1096},
     publisher = {Elsevier},
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     doi = {10.1016/j.anihpc.2010.02.002},
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Masmoudi, Nader; Nakanishi, Kenji. From the Klein–Gordon–Zakharov system to a singular nonlinear Schrödinger system. Annales de l'I.H.P. Analyse non linéaire, Tome 27 (2010) no. 4, pp. 1073-1096. doi : 10.1016/j.anihpc.2010.02.002. http://www.numdam.org/articles/10.1016/j.anihpc.2010.02.002/

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