Early Inflation and Cosmology in Theories with Sub-Millimeter Dimensions

Details Early Inflation and Cosmology in Theories with Sub-Millimeter Dimensions Early Inflation and Cosmology in Theories with Sub-Millimeter Dimensions

1999-03-03

arxiv.org/abs/hep-ph/9903239v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, latex, based on the plenary talk presented by Savas Dimopoulos at COSMO-98, Asilomar, Monterey, CA, November 15-20, 1

Scientific paper

10.1063/1.59397

We discuss early cosmology in theories where the fundamental Planck mass is close to the TeV scale. In such theories the standard model fields are localized to a (3+1)-dimensional wall with n new transverse sub-millimeter sized spatial dimensions. The topic touched upon include: early inflation that occurs while the size of the new dimensions are still small, the spectrum and magnitude of density perturbations, the post-inflation era of contraction of our world while the internal dimensions evolve to their final ``large'' radius, and the production of gravitons in the bulk during these two eras. The radion moduli problem is also discussed.

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