Global String Embeddings for the Nilpotent Goldstino

Abstract

We discuss techniques for embedding a nilpotent Goldstino sector both in weakly coupled type IIB compactifications and F-theory models at arbitrary coupling, providing examples of both scenarios in semi-realistic compactifications. We start by showing how to construct a local embedding for the nilpotent Goldstino in terms of an anti D3-brane in a local conifold throat, and then discuss how to engineer the required local structure in globally consistent compact models. We present two explicit examples, the last one supporting also chiral matter and Kähler moduli stabilisation.

36 pages, 5 figures. v2: minor clarifications, fixed references

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• Uplifting Runaways
• The Tadpole Problem
• Robust Inflation from Fibrous Strings
• On the origin of constrained superfields
• $\overline{D3}$ Induced Geometric Inflation
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• Inflation from Nilpotent Kähler Corrections
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• Anti-D3 branes and moduli in non-linear supergravity
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• Geometry of orientifold vacua and supersymmetry breaking
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• The 3.5 keV Line from Stringy Axions
• On K3-fibred LARGE Volume Scenario with de Sitter vacua from anti-D3-branes
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• Non-supersymmetric branes
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• Horndeski model in nonlinearly realized supergravity
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