Stabilization of Compactification Volume In a Noncommutative Mini-Super-Phase-Space

Details Stabilization of Compactification Volume In a Noncommutative Mini-Super-Phase-Space Stabilization of Compactification Volume In a Noncommutative Mini-Super-Phase-Space

2006-11-22

arxiv.org/abs/hep-th/0611236v2

Phys.Lett.B647:219-224,2007

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 4 .eps figures; v2: References added

Scientific paper

10.1016/j.physletb.2007.02.012

We consider a class of generalized FRW type metrics in the context of higher dimensional Einstein gravity in which the extra dimensions are allowed to have different scale factors. It is shown that noncommutativity between the momenta conjugate to the internal space scale factors controls the power-law behavior of the scale factors in the extra dimensions, taming it to an oscillatory behavior. Hence noncommutativity among the internal momenta of the mini-super-\emph{phase}-space can be used to explain stabilization of the compactification volume of the internal space in a higher dimensional gravity theory.

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