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Decay of weakly charged solutions for the spherically symmetric Maxwell-Charged-Scalar-Field equations on a Reissner-Nordstr\"{o}m exterior space-time. (arXiv:1804.04297v1 [gr-qc])

来源于:arXiv
We consider the Cauchy problem for the (non-linear) Maxwell-Charged-Scalar-Field equations with spherically symmetric initial data, on a fixed sub-extremal Reissner-Nordstr\"{o}m exterior space-time. We prove that the solutions are bounded and decay at an inverse polynomial rate towards time-like infinity and along the black hole event horizon, provided the charge of the Maxwell equation is sufficiently small. This condition is in particular satisfied for small data in energy space that enjoy a sufficient decay towards the asymptotically flat end. Some of the decay estimates we prove are arbitrarily close to the conjectured optimal rate in the limit where the charge tends to $0$, following the heuristics of Hod and Piran, arXiv:gr-qc/9712041. Our result can also be interpreted as a step towards the stability of Reissner-Nordstr\"{o}m black holes for the gravity coupled Einstein-Maxwell-Charged-Scalar-Field model. This problem is closely connected to the understanding of strong cosmic c 查看全文>>

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