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- W1992899144 abstract "Classical scalar fields have been proposed as possible candidates for the dark matter component of the universe. Given the fact that super-massive black holes seem to exist at the center of most galaxies, in order to be a viable candidate for the dark matter halo a scalar field configuration should be stable in the presence of a central black hole, or at least be able to survive for cosmological time-scales. In the present work we consider a scalar field as a test field on a Schwarzschild background, and study under which conditions one can obtain long-lived configurations. We present a detailed study of the Klein-Gordon equation in the Schwarzschild spacetime, both from an analytical and numerical point of view, and show that indeed there exist quasi-stationary solutions that can remain surrounding a black hole for large time-scales." @default.
- W1992899144 created "2016-06-24" @default.
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- W1992899144 date "2011-10-21" @default.
- W1992899144 modified "2023-10-10" @default.
- W1992899144 title "Are black holes a serious threat to scalar field dark matter models?" @default.
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- W1992899144 doi "https://doi.org/10.1103/physrevd.84.083008" @default.
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