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Fully stable dS vacua from generalised fluxes

Jan, 2013

12 pages

Published in:

JHEP 08 (2013) 054

Published: 2013

e-Print:

1301.7073 [hep-th]

DOI:

10.1007/JHEP08(2013)054

View in:

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Abstract: (Springer)

We investigate the possible existence of (meta-)stable de Sitter vacua within = 1 compactificationswithgeneralisedfluxes. Withtheaidofanalgorithminspiredby 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 IIB 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.

Flux compactications
dS vacua in string theory
Supergravity Models
String Duality
vacuum state: de Sitter
vacuum state: stability
compactification
supersymmetry: 1

References(21)

Figures(4)

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