Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 40, Issue 24, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6382/ad079d
Keywords
conformal scattering; Goursat problem; black holes; tensorial Fackerell-Ipser equations; spin +/- 1 Teukolsky equations; Schwarzschild metric; Penrose's conformal compactification
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This paper establishes the constructions of conformal scattering theories for tensorial wave equations on Schwarzschild spacetime. The method combines Penrose's conformal compactification and the energy decay results of tensorial fields to prove the energy equality of the fields through the conformal boundary and the initial Cauchy hypersurface. The well-posedness of the Goursat problem is proven using a generalization of Hörmander's results.
In this paper, we establish the constructions of conformal scattering theories for the tensorial wave equation such as the tensorial Fackerell-Ipser and the spin +/- 1 Teukolsky equations on Schwarzschild spacetime. In our strategy, we con-struct the conformal scattering for the tensorial Fackerell-Ipser equations which are obtained from the Maxwell equation and spin +/- 1 Teukolsky equations. Our method combines Penrose's conformal compactification and the energy decay results of the tensorial fields satisfying the tensorial Fackerell-Ipser equation to prove the energy equality of the fields through the conformal boundary H+ U I+ (resp.H- U I-) and the initial Cauchy hypersurface Sigma(0) = {t = 0}. We will prove the well-posedness of the Goursat problem by using a gener-alization of H & ouml;rmander's results for the tensorial wave equations. By using the results for the tensorial Fackerell-Ipser equations we will establish the construction of conformal scattering for the spin +/- 1 Teukolsky equations.
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