
TL;DR
This paper extends flux compactification models in type II string theory by incorporating anti-Dp-branes, leading to new dS supergravity models with a nilpotent multiplet and a universal uplifting contribution, removing certain instabilities.
Contribution
It introduces a unified framework connecting string models with d=4 supergravity including nilpotent multiplets and explores new uplifting scenarios with various anti-Dp-branes.
Findings
Unified dictionary for string models and supergravity potentials.
New models with diverse anti-Dp-brane uplifts.
Elimination of a universal tachyon in flux compactifications.
Abstract
We consider flux compactification of type II string theory with local sources on SU(3)-structure manifolds. By adding pseudo-calibrated anti--branes wrapped on supersymmetric cycles we generalize all existing models so that the effective supergravity now includes a nilpotent multiplet. We present a new dictionary between string theory models and K{\"a}hler potential and superpotential for these dS supergravities with a nilpotent multiplet and non-linearly realized local supersymmetry. In addition to KKLT and LVS with uplifting -branes, we have now new models with uplifting , , , -branes. The new uplifting contribution to the supergravity potential due to Volkov-Akulov supersymmetry is universal. As one application of our general result, we study classical flux compactifications of…
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