Inflationary limits on the size of compact extra space

Abstract

We study restrictions imposed on the parameters of the Kaluza-Klein extra space supplied by the standard inflationary models. It is shown that the size of the extra space cannot be larger than $\sim 10^{-27}$cm and the $D$-dimensional Planck mass should be larger than $\sim 10^{13}$GeV. The validity of these estimates is discussed. We also study the creation of stable excitations of scalar field as the result of the extra metric evolution.

arXiv comment13 pages, 3 figures, accepted by IJMPD

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Cited by in corpus (4)

• Inhomogeneous compact extra dimensions and de Sitter cosmology
• Formation of conserved charge at the de Sitter space
• Self-tuning inflation
• Cosmological baryon/lepton asymmetry in terms of Kaluza-Klein extra dimensions