Late time dynamics of scalar perturbations outside black holes: II. Schwarzschild geometry
Late time dynamics of scalar perturbations outside black holes: II. Schwarzschild geometry
We apply a new analytic scheme, developed in a previous paper, in order to calculate the late time behavior of scalar test fields evolving outside a Schwarzschild black hole. The pattern of the late time decay at future null infinity is found to be the same as in the shell toy model studied in the previous paper. A simple late time expansion of the scalar field is then used, relying on the results at null infinity, to construct a complete picture of the late time wave behavior anywhere outside the black hole. This reproduces the well known power-law tails at timelike infinity and along the event horizon. The main motivation for the introduction of the new approach arises from its applicability to rotating black holes, as shall be discussed in a forthcoming paper.
17pp
Barack, Leor
f08e66d4-c2f7-4f2f-91b8-f2c4230d0298
February 1999
Barack, Leor
f08e66d4-c2f7-4f2f-91b8-f2c4230d0298
Barack, Leor
(1999)
Late time dynamics of scalar perturbations outside black holes: II. Schwarzschild geometry.
Physical Review D, 59 (44017), .
(doi:10.1103/PhysRevD.59.044017).
Abstract
We apply a new analytic scheme, developed in a previous paper, in order to calculate the late time behavior of scalar test fields evolving outside a Schwarzschild black hole. The pattern of the late time decay at future null infinity is found to be the same as in the shell toy model studied in the previous paper. A simple late time expansion of the scalar field is then used, relying on the results at null infinity, to construct a complete picture of the late time wave behavior anywhere outside the black hole. This reproduces the well known power-law tails at timelike infinity and along the event horizon. The main motivation for the introduction of the new approach arises from its applicability to rotating black holes, as shall be discussed in a forthcoming paper.
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Published date: February 1999
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Local EPrints ID: 48003
URI: http://eprints.soton.ac.uk/id/eprint/48003
ISSN: 1550-7998
PURE UUID: 20430edb-ce68-460f-892c-910868e24ee7
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Date deposited: 20 Aug 2007
Last modified: 16 Mar 2024 03:41
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