Cosmic Acceleration from Topological Considerations

Details Cosmic Acceleration from Topological Considerations Cosmic Acceleration from Topological Considerations

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..876g&link_type=abstract

INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 876-883 (2010).

Computer Science

General Relativity, Radiofrequency Cosmic Radiation, Cosmology, Black Holes, Singularities And Cosmic Censorship, Background Radiations, Origin And Formation Of The Universe, Galactic Nuclei, Circumnuclear Matter, And Bulges

Scientific paper

In this work we explore the possibility that the dynamics of the universe can be reproduced choosing appropriately the global topology of the cosmos. We explore two concentric three-dimensional spherical branes immersed in a five-dimensional space-time. Before to the collision, in the interior sphere there exist only a spin-zero fundamental field (scalar field), in the exterior one there exist only fundamental spin-one interactions and spin-two interactions in the bulk. In this model, like in the Epkyrotic, the Big Bang is caused for the collision of the branes and generate all the fields predicted by the standard model in the exterior brane (our universe). In the interior brane the scalar field behaves like scalar field dark matter. We discuss two different regimens where the energy density and the brane tension are compared, with the aim to obtain the dynamics of the universe after and before the collision. Finally we discuse the perturbations in the modified Einstein equations of the scalar field dark matter in the inner brane and the consequence in the high energy universe dynamics and the corrections in the standard general relativity.

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