A Newman-Penrose Calculator for Instanton Metrics

Details A Newman-Penrose Calculator for Instanton Metrics A Newman-Penrose Calculator for Instanton Metrics

2007-11-05

arxiv.org/abs/0711.0613v2

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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