A prototype for dS/CFT

Details A prototype for dS/CFT A prototype for dS/CFT

2005-05-16

arxiv.org/abs/hep-th/0505145v1

Phys.Rev. D72 (2005) 046001

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, revtex4

Scientific paper

10.1103/PhysRevD.72.046001

We consider dS_2/CFT_1 where the asymptotic symmetry group of the de Sitter spacetime contains the Virasoro algebra. We construct representations of the Virasoro algebra realized in the Fock space of a massive scalar field in de Sitter, built as excitations of the Euclidean vacuum state. These representations are unitary, without highest weight, and have vanishing central charge. They provide a prototype for a new class of conformal field theories dual to de Sitter backgrounds in string theory. The mapping of operators in the CFT to bulk quantities is described in detail. We comment on the extension to dS_3/CFT_2.

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