Stabilization of Compactification Volume In a Noncommutative Mini-Super-Phase-Space
arXiv:hep-th/0611236 · doi:10.1016/j.physletb.2007.02.012
Abstract
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.
13 pages, 4 .eps figures; v2: References added
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