Spontaneous Compactification to Robertson-Walker Universe Due To Dynamical Torsion

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We investigate multidimensional gravity with the Gauss-Bonnet term and with torsion on the space of extra dimensions chosen to be the group manifold of a simple Lie group. We take the Robertson-Walker ansatz for the 4-dimensional space-time and study the potential of a dilaton and torsion fields. It is shown that for certain values of the parameters of the initial theory the potential has classically stable minima, corresponding to the spontaneous compactification of the extra dimensions. However, these minima have zero torsion.
13 pages in LaTeX including 3 Encapsulated Postscript figures

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/55122

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9709226
 http://arxiv.org/abs/hep-th/9709226

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arXiv