Exploring the Similarities of the dS/CFT and Ads/CFT Correspondences

Details Exploring the Similarities of the dS/CFT and Ads/CFT Correspondences Exploring the Similarities of the dS/CFT and Ads/CFT Correspondences

2001-10-07

arxiv.org/abs/hep-th/0110062v2

Nucl.Phys.B627:311-329,2002

Physics

High Energy Physics

High Energy Physics - Theory

Typos fixed, minor clarifications

Scientific paper

10.1016/S0550-3213(02)00055-X

The dS/CFT correspondence differs from its AdS/CFT counterpart in some ways, yet is strikingly similar to it in many others. For example, both involve CFTs defined on connected spaces (despite the fact that the conformal boundary of deSitter space is not connected), and both impose constraints on scalar masses (Strominger's bound for deSitter, and the Breitenlohner-Freedman bound for Anti-deSitter). We argue that these similarities can be explored and exploited using a slight extension of the Euclidean approach to AdS/CFT. The methods are particularly compatible with Hull's embedding of deSitter Space in a timelike T-dual version of M-theory.

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