Absorption rate of the Kerr-de Sitter black hole and the Kerr-Newman-de Sitter black hole
Hisao Suzuki, Eiichi Takasugi, Hiroshi Umetsu
Abstract
By using an analytic solution of the Teukolsky equation in the Kerr-de Sitter and Kerr-Newman-de Sitter geometries, an analytic expression of the absorption rate formulae for these black holes is calculated.
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