Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-05-26
Phys.Lett.B701:367-372,2011
Physics
High Energy Physics
High Energy Physics - Theory
20 pages, 1 figure
Scientific paper
10.1016/j.physletb.2011.05.063
Using the flux compactification scenario in a generic supergravity model we construct a set of conditions which are necessary to generate de-Sitter or anti de-Sitter vacua for appropriate choices of the parameters in superpotential. It is shown that a mass spectrum consistent with softly broken TeV scale supersymmetry in a minimal supersymmetric standard model at the observable sector can be obtained along with a tiny cosmological constant when the Kahler and superpotential of the hidden sector satisfy a set of general constraints. Constructing a specific model with Kahler and superpotentials which satisfy the above constraints, it is demonstrated that all the hidden sector fields have vacuum expectation values close to Planck scale and the resulting low energy potential does not have any flat direction.
Chowdhury Sudipto Paul
Das Debottam
Mitra Joydip
SenGupta Soumitra
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