Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2007-11-05
Int.J.Mod.Phys.C19:1277,2008
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
18 pages. The version to appear in IJMPC
Scientific paper
10.1142/S0129183108012807
We present a Maple11+GRTensorII based symbolic calculator for instanton metrics using Newman-Penrose formalism. Gravitational instantons are exact solutions of Einstein's vacuum field equations with Euclidean signature. The Newman-Penrose formalism, which supplies a toolbox for studying the exact solutions of Einstein's field equations, was adopted to the instanton case and our code translates it for the computational use.
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