Gravitation: in search of the missing torsion

Details Gravitation: in search of the missing torsion Gravitation: in search of the missing torsion

2008-01-27

arxiv.org/abs/0801.4148v1

Ann. Fond. Louis de Broglie 32 (2007) 229

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

18 pages. To be published in the special issue on torsion of the Annales de la Fondation Louis de Broglie, volume editor V. Dv

Scientific paper

A linear Lorentz connection has always two fundamental derived characteristics: curvature and torsion. The latter is assumed to vanish in general relativity. Three gravitational models involving non-vanishing torsion are examined: teleparallel gravity, Einstein-Cartan, and new general relativity. Their dependability is critically examined. Although a final answer can only be given by experience, it is argued that teleparallel gravity provides the most consistent approach.

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