A Closed Bianchi I Universe in String Theory
Nemanja Kaloper
TL;DR
This paper constructs a specific Bianchi I universe within 4D string theory, exploring its geometric and conformal field theory properties, including its relation to gauged WZWN models and anti-de-Sitter space.
Contribution
It introduces a novel Bianchi I universe model in string theory with explicit geometric and conformal field theory descriptions.
Findings
The universe geometry is a 3D anti-de-Sitter space with a flat direction.
It corresponds to an extremal gauged WZWN model with a specific coset structure.
Properties of this universe model are analyzed within string theory framework.
Abstract
A special Bianchi I universe is constructed in string theory. Geometrically it represents a 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 . Some of its properties are discussed.
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