Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-11-16
JHEP 0702:002,2007
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, 4 figures, a reference added, the version to appear in JHEP
Scientific paper
10.1088/1126-6708/2007/02/002
We propose to combine the quantum corrected O'Raifeartaigh model, which has a dS minimum near the origin of the moduli space, with the KKLT model with an AdS minimum. The combined effective N=1 supergravity model, which we call O'KKLT, has a dS minimum with all moduli stabilized. Gravitino in the O'KKLT model tends to be light in the regime of validity of our approximations. We show how one can construct models with a light gravitino and a high barrier protecting vacuum stability during the cosmological evolution.
Kallosh Renata
Linde Andrei
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