Generalized Near Horizon Extreme Binary Black Hole Geometry

Ciafre, Jacob; Hadar, Shahar; Rickenbach, Erin; Rodriguez, Maria J.

doi:10.1103/PhysRevD.100.044033

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Generalized Near Horizon Extreme Binary Black Hole Geometry

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Hadar, Shahar
Gravitation and Black Hole Theory, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Rodriguez, Maria J.
Gravitation and Black Hole Theory, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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フルテキスト (公開)

1906.07203.pdf
(プレプリント), 802KB

PhysRevD.100.044033.pdf
(出版社版), 535KB

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引用

Ciafre, J., Hadar, S., Rickenbach, E., & Rodriguez, M. J. (2019). Generalized Near Horizon Extreme Binary Black Hole Geometry. Physical Review D, 100(4):. doi:10.1103/PhysRevD.100.044033.

引用: https://hdl.handle.net/21.11116/0000-0003-FDDE-7

要旨

We present a new vacuum solution of Einstein's equations describing the near
horizon region of two neutral, extreme (zero-temperature), co-rotating,
non-identical Kerr black holes. The metric is stationary, asymptotically near
horizon extremal Kerr (NHEK), and contains a localized massless strut along the
symmetry axis between the black holes. In the deep infrared, it flows to two
separate throats which we call "pierced-NHEK" geometries: each throat is NHEK
pierced by a conical singularity. We find that in spite of the presence of the
strut for the pierced-NHEK geometries the isometry group SL(2,R)xU(1) is
restored. We find the physical parameters and entropy.