期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP12(2015)039
关键词
Supersymmetry Breaking; dS vacua in string theory; D-branes
资金
- SITP
- NSF [PHY-1316699]
- Templeton foundation
- MINECO [FPA2012-32828]
- ERC Advanced Grant SPLE [ERC-2012-ADG-20120216-320421]
- Centro de Excelencia Severo Ochoa Programme [SEV-2012-0249]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1316699] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/L000385/1] Funding Source: researchfish
- STFC [ST/L000385/1] Funding Source: UKRI
We describe in detail how the spectrum of a single anti-D3-brane in four-dimensional orientifolded IIB string models reproduces precisely the field content of a nilpotent chiral superfield with the only physical component corresponding to the fermionic goldstino. In particular we explicitly consider a single anti-D3-brane on top of an O3-plane in warped throats, induced by (2; 1) fluxes. More general systems including several antibranes and other orientifold planes are also discussed. This provides further evidence to the claim that non-linearly realized supersymmetry due to the presence of antibranes in string theory can be described by supersymmetric theories including nilpotent superfields. Implications to the KKLT and related scenarios of de Sitter moduli stabilization, to cosmology and to the structure of soft SUSY-breaking terms are briefly discussed.
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