paper

String Kaluza-Klein cosmologies with RR-fields

arXiv:hep-th/9610166 · doi:10.1016/S0370-2693(96)01620-6

Abstract

We construct 4-dimensional cosmological FRW--models by compactifying a black 5-brane solution of type IIB supergravity, which carries both magnetic NS-NS-charge and RR-charge. The influence of nontrivial RR-fields on the dynamics of the cosmological models is investigated.

15 pages, LaTeX, psfig.sty, 5 figures. References added, version to appear in Phys.Lett.B

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