Testing a Simplified Version of Einstein's Equations for Numerical Relativity

Details Testing a Simplified Version of Einstein's Equations for Numerical Relativity Testing a Simplified Version of Einstein's Equations for Numerical Relativity

1995-12-05

arxiv.org/abs/gr-qc/9512009v1

Phys.Rev. D53 (1996) 5533-5540

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages (RevTeX 3.0 with 6 uuencoded figures), CRSR-1079

Scientific paper

10.1103/PhysRevD.53.5533

Solving dynamical problems in general relativity requires the full machinery of numerical relativity. Wilson has proposed a simpler but approximate scheme for systems near equilibrium, like binary neutron stars. We test the scheme on isolated, rapidly rotating, relativistic stars. Since these objects are in equilibrium, it is crucial that the approximation work well if we are to believe its predictions for more complicated systems like binaries. Our results are very encouraging.

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