Radiation-dominated area metric cosmology

Details Radiation-dominated area metric cosmology Radiation-dominated area metric cosmology

2007-05-31

arxiv.org/abs/0705.4656v2

JCAP 0712:013,2007

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, no figures; references added

Scientific paper

10.1088/1475-7516/2007/12/013

We provide further crucial support for a refined, area metric structure of spacetime. Based on the solution of conceptual issues, such as the consistent coupling of fermions and the covariant identification of radiation fields on area metric backgrounds, we show that the radiation-dominated epoch of area metric cosmology is equivalent to that epoch in standard Einstein cosmology. This ensures, in particular, successful nucleosynthesis. This surprising result complements the previously derived prediction of a small late-time acceleration of an area metric universe.

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