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Cosmological Theories From SO(2,2)/SO(2)× SO(1,1)

Leopoldo A. Pando Zayas

hep-tharXiv:hep-th/9701131

Abstract

We herein set forth intrinsically four-dimensional string solutions and analyze some of its properties. The solutions are constructed as gauged WZW models of the coset SO(2,2)/SO(2)× SO(1,1). We recover backgrounds having metric and antisymmetric tensors, dilaton fields and two electromagnetic fields. The theories describe anisotropically expanding and static universes for some time values.

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