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Article Dans Une Revue Physical Review D Année : 2024

Horizons and Null Infinity: A Fugue in 4 voices

Résumé

Black hole horizons in equilibrium and null infinity of asymptotically flat space-times are null 3-manifolds but have very different physical connotations. We first show that they share a large number of geometric properties, making them both weakly isolated horizons. We then use this new unified perspective to unravel the origin of the drastic differences in the physics they contain. Interestingly, the themes are woven together in a manner reminiscent of voices in a fugue.

Dates et versions

hal-04455653 , version 1 (13-02-2024)

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Abhay Ashtekar, Simone Speziale. Horizons and Null Infinity: A Fugue in 4 voices. Physical Review D, 2024, 109 (6), pp.L061501. ⟨10.1103/PhysRevD.109.L061501⟩. ⟨hal-04455653⟩
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