dS-Holographic C-Functions with a Topological, Dilatonic Twist

Details dS-Holographic C-Functions with a Topological, Dilatonic Twist dS-Holographic C-Functions with a Topological, Dilatonic Twist

2002-02-27

arxiv.org/abs/hep-th/0202193v2

Phys.Rev. D66 (2002) 064001

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 30 pages; reference added and minor changes to text

Scientific paper

10.1103/PhysRevD.66.064001

Recently, the holographic aspects of asymptotically de Sitter spacetimes have generated substantial literary interest. The plot continues in this paper, as we investigate a certain class of dilatonically deformed ``topological'' de Sitter solutions (which were introduced in hep-th/0110234). Although such solutions possess a detrimental cosmological singularity, their interpretation from a holographic perspective remains somewhat unclear. The current focus is on the associated generalized $C$-functions, which are shown to maintain their usual monotonicity properties in spite of this exotic framework. These findings suggest that such topological solutions may still play a role in our understanding of quantum gravity with a positive cosmological constant.

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