Abstract
The equations governing the perturbations of the Schwarzschild metric satisfy the Regge–Wheeler–Zerilli–Moncrief system. Applying the technique introduced in Andersson and Blue (Ann Math 182(2):787–853, 2015), we prove an integrated local energy decay estimate for both the Regge–Wheeler and Zerilli equations. In these proofs, we use some constants that are computed numerically. Furthermore, we make use of the \(r^p\) hierarchy estimates (Dafermos and Rodnianski, in: Exner (ed) XVIth international congress on mathematical physics, World Scientic, London, pp 421–433, 2009; Schlue in Anal PDE 6:515–600, 2013) to prove that both the Regge–Wheeler and Zerilli variables decay as \(t^{-\frac{3}{2}}\) in fixed regions of r.
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Notes
Observe that equation (3.23) in [3] is missing a minus sign in front of \(x^2(x+d)^2\partial _x^2{\tilde{v}}\), but the rest of the argument there is correct.
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Acknowledgements
We are grateful to Steffen Aksteiner, Siyuan Ma, and Vincent Moncrief for many helpful discussions and suggestions. J.W. was supported by a Humboldt Foundation postdoctoral fellowship at the Albert Einstein Institute during the period 2014–2016, when part of this work was done. She is also supported by the Fundamental Research Funds for the Central Universities (Grant No. 20720170002) and NSFC (Grant No. 11701482).
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Communicated by Mihalis Dafermos.
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Andersson, L., Blue, P. & Wang, J. Morawetz Estimate for Linearized Gravity in Schwarzschild. Ann. Henri Poincaré 21, 761–813 (2020). https://doi.org/10.1007/s00023-020-00886-5
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DOI: https://doi.org/10.1007/s00023-020-00886-5