A Small Cosmological Constant and Backreaction of Non-Finetuned Parameters

Details A Small Cosmological Constant and Backreaction of Non-Finetuned Parameters A Small Cosmological Constant and Backreaction of Non-Finetuned Parameters

2000-07-28

arxiv.org/abs/hep-th/0007233v4

JHEP 0309 (2003) 016

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, minor corrections and references added

Scientific paper

10.1088/1126-6708/2003/09/016

We include the backreaction on the warped geometry induced by non-finetuned
parameters in a two domain-wall set-up to obtain an exponentially small
Cosmological Constant $\Lambda_4$. The mechanism to suppress the Cosmological
Constant involves one classical fine-tuning as compared to an infinity of
finetunings at the quantum level in standard D=4 field theory.

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