We consider the limit a→∞ of the Kerr‐de Sitter spacetime and analyze its global structure, with particular attention to its Killing horizons. This solution to Einstein's field equations with positive cosmological constant contains, apart from Λ, a unique free parameter which can be related to the angular momentum of one of its Killing horizons. A maximal extension of the (axis of the) spacetime is explicitly built.
This is joint work with Marc Mars and Jose Senovilla
Tim Paetz (Vienna): The limit of Kerr‐de Sitter spacetime with infinite angular‐momentum parameter a
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Foto: Barbara Mair