Qualitative Analysis of String Cosmologies
arXiv:gr-qc/9903095 · doi:10.1103/PhysRevD.59.123505
Abstract
A qualitative analysis is presented for spatially flat, isotropic and homogeneous cosmologies derived from the string effective action when the combined effects of a dilaton, modulus, two-form potential and central charge deficit are included. The latter has significant effects on the qualitative dynamics. The analysis is also directly applicable to the anisotropic Bianchi type I cosmology.
13 pages, 4 postscript figures, accepted to Physical Review D
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