dS Supergravity from 10d

DOI10.1002/PROP.201800071arXiv1808.09427MaRDI QIDQ6063922

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Publication date: 8 November 2023

Published in: (Search for Journal in Brave)

Abstract: We consider flux compactification of type II string theory with local sources on SU(3)-structure manifolds. By adding pseudo-calibrated anti-$Dp$-branes wrapped on supersymmetric cycles we generalize all existing models so that the effective $d=4,$ $calN=1$ supergravity now includes a nilpotent multiplet. We present a new dictionary between string theory models and K{"a}hler potential $K$ and superpotential $W$ for these dS supergravities with a nilpotent multiplet and non-linearly realized local supersymmetry. In addition to KKLT and LVS with uplifting $overlineD3$-branes, we have now new models with uplifting $overlineD5$, $overlineD6$, $overlineD7$, $overlineD9$-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 type IIA supergravity and find that a previously discovered universal tachyon is now absent.

Full work available at URL: https://arxiv.org/abs/1808.09427

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