Bare-Bones de Sitter
Iosif Bena, Emilian Dudas, Mariana Gra\~na, Gabriele Lo Monaco and, Dimitrios Toulikas

TL;DR
This paper demonstrates a minimalist approach to constructing de Sitter vacua in string theory by analyzing supersymmetry-breaking fluxes from anti-D3 branes in a Klebanov-Strassler throat, leading to stable de Sitter minima without extra fluxes.
Contribution
It provides a new, simplified method for achieving de Sitter vacua in string compactifications without relying on additional supersymmetry-breaking fluxes.
Findings
De Sitter minima are achievable with anti-D3 branes in a Klebanov-Strassler throat.
The proposed method does not require (0,3) fluxes, simplifying the construction.
The approach is consistent from both 10D and 4D perspectives.
Abstract
We compute the supersymmetry-breaking three-form fluxes generated by the addition of anti-D3 branes at the tip of a Klebanov-Strassler throat. These fluxes give rise to nontrivial terms in the superpotential when the throat is embedded in a flux compactification. We describe these terms both from a ten-dimensional and from a four-dimensional perspective and show that, upon including K\"ahler-moduli stabilization, the resulting potential admits de Sitter minima. Our proposed de Sitter construction does not require additional supersymmetry-breaking (0,3) fluxes, and hence is more minimalist than the KKLT proposal.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Astrophysical Phenomena and Observations · Pulsars and Gravitational Waves Research
