The effective early universe in the presence of extra dimensions

Aharon Davidson; J. Sonnenschein; A. H. Vozmediano

doi:10.1016/0370-2693(86)90960-3

The effective early universe in the presence of extra dimensions

Aharon Davidson^*, J. Sonnenschein, A. H. Vozmediano

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The Robertson-Walker geometry in an empty five-dimensional universe is derived, and the effective four-dimensional evolution is analyzed. The radius of the compact fifth dimension is regarded as a non-static quantity. The "fine structure" constancy is asymptotically respected only provided the cosmological constant vanishes and the ordinary three-space is open. Characteristically, the evolution of the very early universe is governed by the Zeldovich equation of state P=ρ{variant}.

Original language	English
Pages (from-to)	183-186
Number of pages	4
Journal	Physics Letters B
Volume	168
Issue number	3
DOIs	https://doi.org/10.1016/0370-2693(86)90960-3
State	Published - 6 Mar 1986
Externally published	Yes

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title = "The effective early universe in the presence of extra dimensions",

abstract = "The Robertson-Walker geometry in an empty five-dimensional universe is derived, and the effective four-dimensional evolution is analyzed. The radius of the compact fifth dimension is regarded as a non-static quantity. The {"}fine structure{"} constancy is asymptotically respected only provided the cosmological constant vanishes and the ordinary three-space is open. Characteristically, the evolution of the very early universe is governed by the Zeldovich equation of state P=ρ{variant}.",

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AU - Vozmediano, A. H.

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N2 - The Robertson-Walker geometry in an empty five-dimensional universe is derived, and the effective four-dimensional evolution is analyzed. The radius of the compact fifth dimension is regarded as a non-static quantity. The "fine structure" constancy is asymptotically respected only provided the cosmological constant vanishes and the ordinary three-space is open. Characteristically, the evolution of the very early universe is governed by the Zeldovich equation of state P=ρ{variant}.

AB - The Robertson-Walker geometry in an empty five-dimensional universe is derived, and the effective four-dimensional evolution is analyzed. The radius of the compact fifth dimension is regarded as a non-static quantity. The "fine structure" constancy is asymptotically respected only provided the cosmological constant vanishes and the ordinary three-space is open. Characteristically, the evolution of the very early universe is governed by the Zeldovich equation of state P=ρ{variant}.

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The effective early universe in the presence of extra dimensions

Abstract

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