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Proceedings of the 2nd International Workshop on Antimatter and Gravity (WAG 2013); University of Bern, Switzerland, 13-15 November 2013; Editors: Claude Amsler and Paola ScampoliOpen Access

The Dirac-Milne cosmology

    https://doi.org/10.1142/S2010194514602725Cited by:4 (Source: Crossref)

    We study an unconventional cosmology, in which we investigate the consequences that antigravity would pose to cosmology. We present the main characteristics of the Dirac-Milne Universe, a cosmological model where antimatter has a negative active gravitational mass. In this non-standard Universe, separate domains of matter and antimatter coexist at our epoch without annihilation, separated by a gravitationally induced depletion zone. We show that this cosmology does not require a priori the Dark Matter and Dark Energy components of the standard model of cosmology. Additionally, inflation becomes an unnecessary ingredient. Investigating this model, we show that the classical cosmological tests such as primordial nucleosynthesis, Type Ia supernovæ and Cosmic Microwave Background are surprisingly concordant.

    This is an Open Access article published by World Scientific Publishing Company. It is distributed under the terms of the Creative Commons Attribution 3.0 (CC-BY) License. Further distribution of this work is permitted, provided the original work is properly cited.

    Keywords:
    PACS: 98.80.-k