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- Title
On a Class of Riemann-Cartan Space-Times of Gödel Type.
- Authors
Fonseca-Neto, J.; Rebouças, M.
- Abstract
A class of Riemann-Cartan Gödel-type space-times is examined by using the equivalence problem techniques, as formulated by Fonseca-Neto et al. and embodied in a suite of computer algebra programs called TCLASSI. A coordinate-invariant description of the gravitational field for this class of space-times is presented. It is also shown that these space-times can admit a group Gr of affine-isometric motions of dimensions r = 2, 4, 5. The necessary and sufficient conditions for space-time (ST) homogeneity of this class of space-times are derived, extending previous works on Gödel-type space-times. The equivalence of space-times in the ST homogeneous subclass is studied, recovering recent results under different premises. The results of the limiting Riemannian case are also recovered.
- Publication
General Relativity & Gravitation, 1998, Vol 30, Issue 9, p1301
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1023/A:1018842522782