“…Problems of this type arise in material science and physics, which have been studied by many authors. For example, we refer to [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] and the references given therein. In these works, many interesting results about the existence, regularity, and the asymptotic behavior of solutions were obtained.…”
“…Problems of this type arise in material science and physics, which have been studied by many authors. For example, we refer to [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] and the references given therein. In these works, many interesting results about the existence, regularity, and the asymptotic behavior of solutions were obtained.…”
“…In [9] Miao, Zhang and Fang answered the problem of global well-posedness for the Klein-Gordon equation below the energy norm by means of Bourgain's method [1]. For many results in wave system and Klein-Gordon system, see [6][7][8]. We intend to get a similar result on the defocusing Klein-Gordon system using a different method, inspired by Isabelle Gallagher and Fabrice Planchon [11].…”
“…In this note, we continue our study from [3,4] on the following nonlinear system of wave equations with Hamilton structure:…”
Section: Introductionmentioning
confidence: 99%
“…To ensure that the potential energy of problem (1.1) tends to zero as t → ∞, which will play an important role in the proof of our result, we need to assume that F, F 1 , F 2 satisfy the following assumptions similar to those in [3,4]…”
Section: Introductionmentioning
confidence: 99%
“…the function F (|u| 2 , |v| 2 ) = |u| 6 + |u| 4 |v| 2 + |u| 2 |v| 4 + |v| 6 satisfies (H1)-(H5) in the space dimension n = 3. For the physical background and related research on the wave equation, we refer the reader to [1,[3][4][5][6][7] and the references therein. Let us end this section by recalling what we have done in our previous papers.…”
We consider scattering properties of the critical nonlinear system of wave equations with Hamilton structure u tt − ∆u = −F 1 (|u| 2 , |v| 2)u, v tt − ∆v = −F 2 (|u| 2 , |v| 2)v, for which there exists a function F (λ, µ) such that ∂F (λ, µ) ∂λ = F 1 (λ, µ), ∂F (λ, µ) ∂µ = F 2 (λ, µ). By using the energy-conservation law over the exterior of a truncated forward light cone and a dilation identity, we get a decay estimate for the potential energy. The resulting global-in-time estimates imply immediately the existence of the wave operators and the scattering operator.
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