String Cosmology and the Dimension of Spacetime

Details String Cosmology and the Dimension of Spacetime String Cosmology and the Dimension of Spacetime

1994-02-15

arxiv.org/abs/hep-th/9402088v2

Nucl.Phys.B457:621-642,1995

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, OHSTPY-HEP-T-94-024 and CALT-68-1878. Updated references and figure captions. Use standard TeX. Seven figures not in

Scientific paper

10.1016/0550-3213(95)00415-7

The implications of string theory for understanding the dimension of uncompactified spacetime are investigated. Using recent ideas in string cosmology, a new model is proposed to explain why three spatial dimensions grew large. Unlike the original work of Brandenberger and Vafa, this paradigm uses the theory of random walks. A computer model is developed to test the implications of this new approach. It is found that a four-dimensional spacetime can be explained by the proper choice of initial conditions.

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