MOND and Cosmology

Details MOND and Cosmology MOND and Cosmology

2005-09-19

arxiv.org/abs/astro-ph/0509532v1

Astronomy and Astrophysics

Astrophysics

8 pages, LaTeX, 2 figures, to appear in proceedings of IAP05 in Paris: Mass Profiles and Shapes of Cosmological Structures, G.

Scientific paper

10.1051/eas:2006076

I review various ideas on MOND cosmology and structure formation beginning with non-relativistic models in analogy with Newtonian cosmology. I discuss relativistic MOND cosmology in the context of Bekenstein's theory and propose an alternative biscalar effective theory of MOND in which the acceleration parameter is identified with the cosmic time derivative of a matter coupling scalar field. Cosmic CDM appears in this theory as scalar field oscillations of the auxiliary "coupling strength" field.

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