Holographic Inflation

Details Holographic Inflation Holographic Inflation

2002-03-26

arxiv.org/abs/hep-th/0203235v1

JHEP 0402 (2004) 062

Physics

High Energy Physics

High Energy Physics - Theory

19 pages in phyzzx.tex

Scientific paper

10.1088/1126-6708/2004/02/062

Using the de Sitter/CFT correspondence we describe a scenario of holographic inflation which is driven by a three dimensional boundary field theory. We find that inflationary constraints severely restrict the $\beta$--function, the anomalous dimensions and the value of the $C$--function of the boundary theory. The scenario has model independent predictions such as $\epsilon<< \eta$, $n_T<0.04$, $P_{tensor}/P_{scalar}<0.08$ and $H<10^{14} GeV$. We consider some simple boundary theories and find that they do not lead to inflation. Thus, building an acceptable holographic inflation model remains a challenge. We also describe holographic quintessence and find that it closely resembles a cosmological constant.

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