String Kaluza-Klein cosmologies with RR-fields
R. Poppe, S. Schwager
TL;DR
This paper develops 4D cosmological models from 5D supergravity solutions with RR-fields, analyzing how these fields influence cosmological evolution.
Contribution
It introduces a novel method of deriving FRW cosmologies from black 5-brane solutions with RR-charges in type IIB supergravity.
Findings
RR-fields significantly affect cosmological dynamics
New class of compactified cosmological models
Insights into string-inspired cosmology
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.
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