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International Journal of Theoretical Physics

, Volume 50, Issue 2, pp 430–435 | Cite as

Bulk Scale Factor at Very Early Universe

  • M. Mohsenzadeh
  • E. Yusofi
Article

Abstract

In this paper we propose a higher dimensional Cosmology based on FRW model and brane-world scenario. We consider the warp factor in the brane-world scenario as a scale factor in 5-dimensional generalized FRW metric, which is called as bulk scale factor, and obtain the evolution of it with space-like and time-like extra dimensions. It is then showed that, additional space-like dimensions can produce exponentially bulk scale factor under repulsive strong gravitational force in the empty universe at a very early stage.

Keywords

FRW model Scale factor de-Sitter space-time Extra dimensions 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of Physics, Qom BranchIslamic Azad UniversityQomIran
  2. 2.Department of Physics, Amol BranchIslamic Azad UniversityAmolIran

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