Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-11-09
Int.J.Mod.Phys. D9 (2000) 459-474
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
10 pages, 9 postscript figures. To appear in Int. Journ. of Mod. Phys. D
Scientific paper
10.1142/S0218271800000451
Combining incoming and outgoing characteristic formulations can provide numerical relativists with a natural implementation of Einstein's equations that better exploits the causal properties of the spacetime and gives access to both null infinity and the interior region simultaneously (assuming the foliation is free of caustics and crossovers). We discuss how this combination can be performed and illustrate its behavior in the Einstein-Klein-Gordon field in 1D.
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