Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-08-23
Class.Quant.Grav.19:L31-L36,2002
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
To appear in Class Quantum Grav, Lett
Scientific paper
10.1088/0264-9381/19/6/101
Numerical relativity describes a discrete initial value problem for general relativity. A choice of gauge involves slicing space-time into space-like hypersurfaces. This introduces past and future gauge relative to the hypersurface of present time. Here, we propose solving the discretized Einstein equations with a choice of gauge in the future and a dynamical gauge in the past. The method is illustrated on a polarized Gowdy wave.
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