Topological constraints in the LARGE-volume scenario

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JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Summary: By classifying 4D reflexive polytopes, this paper presents a systematic construction of Calabi-Yau hypersurfaces. Orientifold configurations on these hypersurfaces are computed, revealing explicit string compactifications. The inclusion of non-local Whitney branes leads to larger D3-tadpoles and enhances the stability of all complex structure moduli.

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Summary: This paper investigates the large volume scenario of de Sitter compactifications in the type IIB string and proposes a simple and explicit formula for controlling corrections. By controlling parameters, the interaction between control quality and the tadpole conjecture is discussed, and the directions for future research and potential challenges are explored.

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Summary: This study shows the impact of a light complex structure field in warped compactifications based on a Klebanov-Strassler throat on the cosmological constant. Additionally, it reveals that the contribution to supersymmetry breaking from this new light field is significant after uplifting the cosmological constant by an anti-D3 brane. Furthermore, it discusses how a hierarchically small scale of supersymmetry breaking leads to large values of localized D3 charges in the manifold.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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The tadpole problem

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Summary: By analyzing examples such as K3xK3 and CP3 compactifications, we conjecture that it is not possible to stabilize all complex-structure moduli in F-theory using fluxes, which has implications for certain vacuum solutions.

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Quantum corrections in 4d N=1 infinite distance limits and the weak gravity conjecture

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Summary: The study investigates quantum corrections in N = 1 supersymmetric theories, confirming the validity of the Emergent String Conjecture and exploring the effect of Weak Gravity Conjecture quantum corrections beyond the strict weak coupling limit. The research demonstrates how gauge threshold corrections and mass renormalisation effects modify super-extremality bounds and predict the renormalisation of mass towers for the Weak Gravity Conjecture to hold quantum mechanically.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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On de Sitter string vacua from anti-d3-branes in the large volume scenario

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Summary: This study focuses on de Sitter vacua in concrete type IIB Calabi-Yau compactifications with an anti D3-brane for stabilizing Kahler moduli and complex structure moduli, with exponentially large volume. Analysis of the effective field theory parameters ensures validity of approximations, absence of runaway issues, and satisfaction of consistency constraints in the vacua.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Brane curvature corrections to the N=1 type II/F-theory effective action

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A note on the magnitude of the flux superpotential

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Building an explicit de Sitter

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Chern class identities from tadpole matching in type IIB and F-theory

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Kinetic terms in warped compactifications

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Systematics of string loop corrections in type IIB Calabi-Yau flux compactifications

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Jumping through loops: on soft terms from large volume compactifications

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Topological constraints in the LARGE-volume scenario

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