Analytic smoothing effect for a system of Schrödinger equations with three wave interaction

Gaku Hoshino, Tohru Ozawa

    研究成果: Article

    3 引用 (Scopus)

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    We consider the global Cauchy problem for a system of Schrödinger equations with quadratic interaction. Two types of analytic smoothing effect for the solutions are formulated in the small data setting under the mass resonance condition. One is the usual analytic smoothing effect in space variables in terms of the generator of Galilei transforms. We prove the existence and uniqueness of global solutions which are analytic with respect to Galilei generators for sufficiently small data with exponential decay at infinity in space ℝn with n ≥ 3. The other is analytic smoothing effect in space-time variables in terms of generator of pseudo-conformal and Galilei transforms. We prove the existence and uniqueness of global solutions which are analytic with respect to pseudo-conformal and Galilei generators for sufficiently small data with exponential decay in ℝ4. We also discuss the associated Lagrange structure.

    元の言語English
    記事番号091513
    ジャーナルJournal of Mathematical Physics
    56
    発行部数9
    DOI
    出版物ステータスPublished - 2015

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Mathematical Physics

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