Observational Constraints of a Dirac-Milne Universe

Details Observational Constraints of a Dirac-Milne Universe Observational Constraints of a Dirac-Milne Universe

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..185b&link_type=abstract

INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 185-191 (2010).

Mathematics

Logic

Cosmology, Nucleosynthesis, Dark Matter, Supernovae, Observational Cosmology, Origin, Formation, And Abundances Of The Elements, Dark Matter, Supernovae

Scientific paper

In this contribution, we present the Dirac-Milne Universe, an alternative cosmological model in which separate domains of matter and antimatter are present in equal quantities, with the further hypothesis that antimatter has a negative active gravitational mass. One consequence of theses hypotheses is the linear evolution of the scale factor throughout the thermal history of the Universe. We investigate this new model and confront it with some of the classical cosmological tests such as primordial nucleosynthesis, Type Ia supernovæ and Cosmic Microwave Background, showing that it is surprisingly concordant.

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