Holographic Central Charge for 2-Dimensional de Sitter Space

Details Holographic Central Charge for 2-Dimensional de Sitter Space Holographic Central Charge for 2-Dimensional de Sitter Space

2002-09-04

arxiv.org/abs/hep-th/0209029v2

Phys.Rev. D67 (2003) 084016

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, Latex; discussion (Section 4) and references added

Scientific paper

10.1103/PhysRevD.67.084016

Recently, investigations have begun into a holographic duality for two-dimensional de Sitter space. In this paper, we evaluate the associated central charge, using a modified version of the canonical Hamiltonian method that was first advocated by Catelani {\it et al}. Our computation agrees with that of a prior work (Cadoni {\it et al}), but we argue that the method used here is, perhaps, aesthetically preferable on holographic grounds. We also confirm an agreement between the Cardy and thermodynamic entropy, thus providing further support for the conjectured two-dimensional de Sitter/conformal field theory correspondence.

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