A large data theory for nonlinear wave on the Schwarzschild background

DOI10.1016/J.JDE.2022.07.009arXiv1905.07974MaRDI QIDQ6319018

Publication date: 20 May 2019

Abstract: We study both of the scattering and Cauchy problems for the semilinear wave equation with null quadratic form on the Schwarzschild background. Prescribing the scattering data that are given by the short pulse data on the future null infinity and are trivial on the future event horizon, we construct a class of globally smooth solutions backwards up to any finite time and show that the wave travels in such a way that almost all of the (large) energy is focusing in an outgoing null strip, while little radiates out of this strip. In reverse, considering a class of Cauchy data with large energy norms, there exists a unique and global solution in the future development. And most of the wave packet is confined in an incoming null strip and reflected to the future event horizon, whereas little is transmitted to the future null infinity.

Mathematics Subject Classification ID

Black holes (83C57) Wave equation (35L05) (2)-body potential quantum scattering theory (81U05) Asymptotic procedures (radiation, news functions, (mathcal{H} )-spaces, etc.) in general relativity and gravitational theory (83C30) Exact solutions to problems in general relativity and gravitational theory (83C15) Quadratic and bilinear forms, inner products (15A63) Equations of motion in general relativity and gravitational theory (83C10) Semilinear elliptic equations with Laplacian, bi-Laplacian or poly-Laplacian (35J91)

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