Semi-Teleparallel Theories of Gravitation

Details Semi-Teleparallel Theories of Gravitation Semi-Teleparallel Theories of Gravitation

1999-07-06

arxiv.org/abs/gr-qc/9907020v1

Gen.Rel.Grav. 32 (2000) 1301-1317

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, LaTeX

Scientific paper

A class of theories of gravitation that naturally incorporates preferred frames of reference is presented. The underlying space-time geometry consists of a partial parallelization of space-time and has properties of Riemann-Cartan as well as teleparallel geometry. Within this geometry, the kinematic quantities of preferred frames are associated with torsion fields. Using a variational method, it is shown in which way action functionals for this geometry can be constructed. For a special action the field equations are derived and the coupling to spinor fields is discussed.

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