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- W2944442023 abstract "We initiate the development of a horizon-based initial (or rather final) value formalism to describe the geometry and physics of the near-horizon spacetime: data specified on the horizon and a future ingoing null boundary determine the near-horizon geometry. In this initial paper we restrict our attention to spherically symmetric spacetimes made dynamic by matter fields. We illustrate the formalism by considering a black hole interacting with a) inward-falling, null matter (with no outward flux) and b) a massless scalar field. The inward-falling case can be exactly solved from horizon data. For the more involved case of the scalar field we analytically investigate the near slowly evolving horizon regime and propose a numerical integration for the general case." @default.
- W2944442023 created "2019-05-16" @default.
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- W2944442023 date "2019-09-10" @default.
- W2944442023 modified "2023-10-17" @default.
- W2944442023 title "Horizons as boundary conditions in spherical symmetry" @default.
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- W2944442023 doi "https://doi.org/10.1103/physrevd.100.064019" @default.
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