International Journal of Theoretical Physics

, Volume 49, Issue 7, pp 1556–1561 | Cite as

Alternative Inflationary Scenario Due to Compact Extra Dimensions



The main goal of this paper is to give an alternative interpretation of space-like and time-like extra dimensions as a primary factor for inflation in the early universe. We introduce the 5-dimensional perfect fluid and compare the energy-momentum tensor for the bulk scalar field with space-like and time-like extra dimensions. It is shown, that additional dimensions can imply to negative pressure in the slow roll regime in the early higher-dimensional world.


Inflation 5D Metric Negative pressure 


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© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of PhysicsIslamic Azad University-Amol BranchAmolIran
  2. 2.Department of PhysicsIslamic Azad University-Qom BranchQomIran

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