期刊
COMMUNICATIONS IN MATHEMATICAL PHYSICS
卷 360, 期 1, 页码 103-168出版社
SPRINGER
DOI: 10.1007/s00220-017-3079-3
关键词
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资金
- EPSRC [EP/L016516/1]
We show non-linear stability and instability results in spherical symmetry for the interior of a charged black hole-approaching a sub-extremal Reissner-Nordstrom background fast enough-in presence of a massive and charged scalar field, motivated by the strong cosmic censorship conjecture in that setting: Stability We prove that spherically symmetric characteristic initial data to the Einstein-Maxwell-Klein-Gordon equations approaching a Reissner-Nordstrom background with a sufficiently decaying polynomial decay rate on the event horizon gives rise to a space-time possessing a Cauchy horizon in a neighbourhood of time-like infinity. Moreover, if the decay is even stronger, we prove that the space-time metric admits a continuous extension to the Cauchy horizon. This generalizes the celebrated stability result of Dafermos for Einstein-Maxwell-real-scalar-field in spherical symmetry. Instability We prove that for the class of space-times considered in the stability part, whose scalar field in addition obeys a polynomial averaged-L (2) (consistent) lower bound on the event horizon, the scalar field obeys an integrated lower bound transversally to the Cauchy horizon. As a consequence we prove that the non-degenerate energy is infinite on any null surface crossing the Cauchy horizon and the curvature of a geodesic vector field blows up at the Cauchy horizon near time-like infinity. This generalizes an instability result due to Luk and Oh for Einstein-Maxwell-real-scalar-field in spherical symmetry.
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