Issues in Type IIA Uplifting

Details Issues in Type IIA Uplifting Issues in Type IIA Uplifting

2006-12-07

arxiv.org/abs/hep-th/0612057v2

JHEP 0706:041,2007

Physics

High Energy Physics

High Energy Physics - Theory

8p

Scientific paper

10.1088/1126-6708/2007/06/041

Moduli stabilization in the type IIA massive string theory so far was achieved only in the AdS vacua. The uplifting to dS vacua has not been performed as yet: neither the analogs of type IIB anti-D3 brane at the tip of the conifold, nor the appropriate D-terms have been identified. The hope was recently expressed that the F-term uplifting may work. We investigate this possibility in the context of a simplified version of the type IIA model developed in hep-th/0505160 and find that the F-term does not uplift the AdS vacua to dS vacua with positive CC. Thus it remains a challenging task to find phenomenologically acceptable vacua in the type IIA string theory.

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