Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-12-23
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages, 1 figure, new version with same content but considerably improved presentation
Scientific paper
We define a family of spacetimes representing isolated black holes exhibiting remarkable universal properties which are natural generalizations from stationary spacetimes. They admit a well defined notion of surface gravity k_H. This generalized surface gravity mediates an exponential relation between a regular null coordinate w near the horizon and an asymptotic Bondi null coordinate u defined in the vicinity of future null infinity. Our construction provides a framework for the study of gravitational collapse of an isolated system in its late stage of evolution.
Kozameh Carlos
Moreschi Osvaldo
Perez Alejandro
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