Bianchi-type string cosmology

Details Bianchi-type string cosmology Bianchi-type string cosmology

1995-04-10

arxiv.org/abs/hep-th/9504057v1

Phys.Lett. B353 (1995) 39-45

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, latex, 1 table, no figures

Scientific paper

10.1016/0370-2693(95)00582-6

Bianchi-type string cosmology involves generalizations of the FRW backgrounds with three transitive spacelike Killing symmetries, but without any a priori assumption of isotropy in the 3D sections of homogeneity. With emphasis on those cases with diagonal metrics and vanishing cosmological constant which which have not been previously examined in the literature, the present findings allow an overview and the classification of all Bianchi-type backgrounds. These string solutions (at least to lowest order in alpha prime) offer prototypes for the study of spatial anisotropy and its impact on the dynamics of the early universe.

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