Alternative inflationary scenario due to compact extra dimensions

Details Alternative inflationary scenario due to compact extra dimensions Alternative inflationary scenario due to compact extra dimensions

2010-06-25

arxiv.org/abs/1006.4917v1

Int J Theor Phys2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

6 pages

Scientific paper

10.1007/s10773-010-0336-z

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.

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