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- W4246271309 abstract "Fourier and Laplace transforms are used to study rigorously the properties of a test scalar field PS in the exterior of a Schwarzschild black hole of the mass m. In the Fourier analysis we examine the properties of the solutions of the radial wave equation and the relations of the exterior and interior solutions of the following four cases: (i) ω ≠ 0, m≠0, (ii) ω=0, m≠0, (iii) ω≠0, m =0, (iv) ω=0, m =0. In the Laplace analysis we show rigorously the following theorem: If ψ( t, r, τ, ϕ) is the field of a point test particle falling into the black hole, and lim Ψ exists, then lim Ψ = 0. The proof of this theorem is based on the facts that (a) t +2 m ln ( r − 2 m ) is finite for the particle even on the horizon, and (b) the behavior of Ψ as t → + ∞ is related to its Laplace transform near the origin of the complex plane." @default.
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- W4246271309 date "1974-01-01" @default.
- W4246271309 modified "2023-10-18" @default.
- W4246271309 title "Scalar Waves in the Exterior of a Schwarzschild Black Hole" @default.
- W4246271309 cites W1974028916 @default.
- W4246271309 doi "https://doi.org/10.1017/s0074180900236097" @default.
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