Quantization of the massless minimally coupled scalar field and the dS/CFT correspondence

Details Quantization of the massless minimally coupled scalar field and the dS/CFT correspondence Quantization of the massless minimally coupled scalar field and the dS/CFT correspondence

2001-08-16

arxiv.org/abs/hep-th/0108119v2

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, LaTex file, one PostScript figure

Scientific paper

We consider the quantization of the massless minimally coupled scalar field in de Sitter spacetime. The no-boundary Euclidean prescription naturally picks out the de Sitter invariant vacuum state of Kirsten and Garriga. We extend Strominger's dS/CFT correspondence to this case which allows us to interpret the massless field in terms of a Euclidean CFT. The extension is non-trivial and requires careful treatment of the zero mode. Since the graviton is massless, this work may also be considered a step towards a theory of gravity in de Sitter space.

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