Can We Prescribe the Physical Parameters of Multiple Black Holes?

István Rácz
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István Rácz: Wigner RCP, Konkoly Thege Miklós út 29-33, H-1121 Budapest, Hungary

Mathematics, 2021, vol. 9, issue 24, 1-15

Abstract: The parabolic-hyperbolic form of the constraints and superposed Kerr-Schild black holes have already been used to provide a radically new initialization of binary black hole configurations. The method generalizes straightforwardly to multiple black hole systems. This paper is to verify that each of the global Arnowitt-Deser-Misner quantities of the constructed multiple black hole initial data can always be prescribed, as desired, in advance of solving the constraints. These global charges are shown to be uniquely determined by the physical parameters of the involved individual Kerr-Schild black holes.

Keywords: multiple black holes; initial data; global ADM charges (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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