Isotropic cosmology in metric-affine gauge theory of gravity

Details Isotropic cosmology in metric-affine gauge theory of gravity Isotropic cosmology in metric-affine gauge theory of gravity

1998-05-04

arxiv.org/abs/gr-qc/9805007v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, LaTeX 2.09

Scientific paper

Geometrical structure of homogeneous isotropic models in the frame of the metric-affine gauge theory of gravity (MAGT) is analyzed. By using general form of gravitational Lagrangian including both a scalar curvature and various invariants quadratic in the curvature, torsion and nonmetricity tensors, gravitational equations of MAGT for homogeneous isotropic models are deduced. It is shown, that obtained gravitational equations lead to generalized cosmological Friedmann equation for the metrics by certain restrictions on indefinite parameters of gravitational Lagrangian. Isotropic models in the Weyl-cartan space-time are discussed.

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