A Closed Bianchi I Universe in String Theory
Abstract
A special Bianchi I universe is constructed in ~4D~ string theory. Geometrically it represents a ~3D~ anti-de-Sitter space crossed with a flat direction whereas in terms of an associated conformal field theory it is an extremal case of a gauged WZWN theory with target the coset ~SU(1,1) × R2 / R~. Some of its properties are discussed.
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