Towards Quantum Cosmology without Singularities
arXiv:hep-th/9407039 · doi:10.1103/PhysRevD.52.1292
Abstract
In this paper we investigate the vanishing of cosmological singularities by quantization. Starting from a 5d Kaluza--Klein approach we quantize, as a first step, the non--spherical metric part and the dilaton field. These fields which are classically singular become smooth after quantization. In addition, we argue that the incorporation of non perturbative quantum corrections form a dilaton potential. Technically, the procedure corresponds to the quantization of 2d dilaton gravity and we discuss several models. From the 4d point of view this procedure is a semiclassical approach where only the dilaton and moduli matter fields are quantized.
9 pages, 2 figures, Latex, epsfig.sty, epsf.tex
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