Riemannian and non-Riemannian extensions of geometrodynamics versus Einsteinian gravity

Details Riemannian and non-Riemannian extensions of geometrodynamics versus Einsteinian gravity Riemannian and non-Riemannian extensions of geometrodynamics versus Einsteinian gravity

2007-12-21

arxiv.org/abs/0712.3726v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, to appear in proceedings of ''10th Italian-Korean Symposium on Relativistic Atrophysics'', J. Korean Phys. Soc., Spe

Scientific paper

We analyze some extensions of General Relativity. Within the framework of
modified gravity, the Newtonian limit of a class of gravitational actions is
discussed on the basis of the corresponding scalar-tensor model. For a
generalized asymmetric metric, autoparallel trajectories are defined under
suitable conditions at first approximation order.

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