Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 8, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP08(2013)054
Keywords
Flux compactifications; dS vacua in string theory; Supergravity Models; String Duality
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Funding
- Swedish Research Council (VR)
- Goran Gustafsson Foundation
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We investigate the possible existence of (meta-)stable de Sitter vacua within N = 1 compactifications with generalised fluxes. With the aid of an algorithm inspired by the method of differential evolution, we were able to find three novel examples of completely tachyon-free de Sitter extrema in a non-isotropic type JIB model with non-geometric fluxes. We also analyse the surroundings of the aforementioned points in parameter space and chart the corresponding stability regions. These happen to occur at small values of the cosmological constant compared to the AdS scale.
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