期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP09(2013)142
关键词
dS vacua in string theory; AdS-CFT Correspondence; D-branes; Supersymmetry Breaking
资金
- ANR [08-JCJC-0001-0]
- ERC [240210 - String-QCD-BH, 259133 - ObservableString]
- Contrat de Formation par la Recherche of CEA/Saclay
Anti-D3-branes at the tip of the Klebanov-Strassler solution with D3-charge dissolved in fluxes give rise, in the probe approximation, to a metastable state. The fully back-reacted smeared solution has singular three-form fluxes in the IR, whose presence suggests a stringy resolution by brane polarization a la Polchinski-Strassler. In this paper we show that there is no polarization into anti-D5-branes wrapping the S-2 of the conifold at a finite radius. The singularities therefore do not seem to be physical, signaling that antibranes cannot be used to uplift AdS and obtain a very large landscape of de Sitter vacua in string theory.
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