Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-06-02
Phys.Rev.Lett. 95 (2005) 111102
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages, 1 figure, minor changes
Scientific paper
10.1103/PhysRevLett.95.111102
Given a spacelike foliation of a spacetime and a marginally outer trapped surface S on some initial leaf, we prove that under a suitable stability condition S is contained in a ``horizon'', i.e. a smooth 3-surface foliated by marginally outer trapped slices which lie in the leaves of the given foliation. We also show that under rather weak energy conditions this horizon must be either achronal or spacelike everywhere. Furthermore, we discuss the relation between ``bounding'' and ``stability'' properties of marginally outer trapped surfaces.
Andersson L.-L.
Mars Marc
Simon Walter
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