Flux moduli stabilisation, Supergravity algebras and no-go theorems

Details Flux moduli stabilisation, Supergravity algebras and no-go theorems Flux moduli stabilisation, Supergravity algebras and no-go theorems

2009-07-31

arxiv.org/abs/0907.5580v3

JHEP 1001:012,2010

Physics

High Energy Physics

High Energy Physics - Theory

Version published in JHEP

Scientific paper

10.1007/JHEP01(2010)012

We perform a complete classification of the flux-induced 12d algebras compatible with the set of N=1 type II orientifold models that are T-duality invariant, and allowed by the symmetries of the T^6/(Z_2 x Z_2) isotropic orbifold. The classification is performed in a type IIB frame, where only H_3 and Q fluxes are present. We then study no-go theorems, formulated in a type IIA frame, on the existence of Minkowski/de Sitter (Mkw/dS) vacua. By deriving a dictionary between the sources of potential energy for the three moduli (S, T and U) in types IIA and IIB, we are able to combine algebra results and no-go theorems. The outcome is a systematic procedure for identifying phenomenologically viable models where Mkw/dS vacua may exist. We present a complete table of the allowed algebras and the viability of their resulting scalar potential, and we point at the models which stand any chance of producing a fully stable vacuum.

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