A New Approach to String Cosmology

Details A New Approach to String Cosmology A New Approach to String Cosmology

1998-05-28

arxiv.org/abs/hep-th/9805207v3

JHEP 9807:014,1998

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 4 figures, V2: discussion of the wormhole spacetimes corrected, V3: Reference Added

Scientific paper

10.1088/1126-6708/1998/07/014

We discuss quotients of Anti-de Sitter (AdS) spacetime by a discrete group in light of the AdS-CFT correspondence. Some quotients describe closed universes which expand from zero volume to a maximum size and then contract. Maldacena's conjecture suggests that they should be represented in string theory by suitable quotients of the boundary conformal field theory. We discuss the required identifications, and construct the states associated with the linearized supergravity modes in the cosmological background.

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