Criteria for de Sitter inflation in Einstein-Cartan cosmology and COBE data

Details Criteria for de Sitter inflation in Einstein-Cartan cosmology and COBE data Criteria for de Sitter inflation in Einstein-Cartan cosmology and COBE data

2000-03-18

arxiv.org/abs/gr-qc/0003076v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

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Scientific paper

Criteria for the existence of de Sitter inflation with dilaton fields in four-dimensional space-times with torsion is discussed.The relation between matter density perturbation and the spin-density perturbation is stablished based on this criteria.From COBE data it is shown that there is a linear relationship between the spin-torsion density and temperature of the Universe for the case where matter density dominates the kinetic part of dilaton fields.

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