A cosmological model in Weyl-Cartan spacetime

Dirk Puetzfeld; Romualdo Tresguerres

A cosmological model in Weyl-Cartan spacetime

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arxiv gr-qc/0101050 v2 pith:MJXAW37D submitted 2001-01-15 gr-qc

Dirk Puetzfeld , Romualdo Tresguerres This is my paper · ORCID

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keywords modelalphacosmologicalspacetimeweyl-cartanbasisbehaviorbeta

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abstract

We present a cosmological model for early stages of the universe on the basis of a Weyl-Cartan spacetime. In this model, torsion $T^{\alpha}$ and nonmetricity $Q_{\alpha \beta}$ are proportional to the vacuum polarization. Extending earlier work of one of us (RT), we discuss the behavior of the cosmic scale factor and the Weyl 1-form in detail. We show how our model fits into the more general framework of metric-affine gravity (MAG).

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