Scattering of Gauge, Matter, and Moduli Fields from Intersecting Branes

Abstract

We calculate various tree-level (disk) scattering amplitudes involving gauge, matter and moduli fields in type IIB toroidal orbifold/orientifold backgrounds with D9,D5 respectively D7,D3-branes or via T-duality D6-branes in type IIA compactifications. In type IIB the D-branes may have non-vanishing fluxes on their world-volume. From these results we extract the moduli and flux dependence of the tree-level gauge couplings, the metrics for the moduli and matter fields. The non-vanishing fluxes correspond in the T-dual type IIA description to intersecting D6-branes. This allows us to determine the moduli dependence of the tree-level matter field metrics in the effective action of intersecting D6-brane models. In addition we derive the physical Yukawa couplings with their correct normalization.

51 pages, harvmac

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• Tachyon condensation in the D0/D4 system
• Tachyon condensation using the disc partition function
• Target-Space Duality in Heterotic and Type I Effective Lagrangians
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Cited by in corpus (190)

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• The effective action of Type IIA Calabi-Yau orientifolds
• Stability of flux compactifications and the pattern of supersymmetry breaking
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• Jumping Through Loops: On Soft Terms from Large Volume Compactifications
• Progress in D-brane model building
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• D-terms and F-terms from D7-brane fluxes
• The Hunt for New Physics at the Large Hadron Collider
• Moduli Stabilization in Type IIB Orientifolds (II)
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• Computation of D-brane instanton induced superpotential couplings - Majorana masses from string theory
• The LHC String Hunter's Companion
• Explaining the Electroweak Scale and Stabilizing Moduli in M Theory
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• F-theory Flux, Destabilization of Orientifolds and Soft Terms on D7--Branes
• D terms from D-branes, gauge invariance and moduli stabilization in flux compactifications
• Moduli Stabilization in Type IIB Orientifolds (I)
• Kahler Potentials of Chiral Matter Fields for Calabi-Yau String Compactifications
• SUSY-breaking Soft Terms in a MSSM Magnetized D7-brane Model
• MSSM with Soft SUSY Breaking Terms from D7-Branes with Fluxes
• Tri-linear Couplings in an Heterotic Minimal Supersymmetric Standard Model
• Effective Action and Soft Supersymmetry Breaking for Intersecting D-brane Models
• The D5-brane effective action and superpotential in N=1 compactifications
• TeV Scale Mirage Mediation and Natural Little SUSY Hierarchy
• Non-Perturbative Superpotentials in F-theory and String Duality
• The effective action of type II Calabi-Yau orientifolds
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• The Importance of Being Rigid: D6-Brane Model Building on T6/Z2xZ6' with Discrete Torsion
• The effective action of D-branes in Calabi-Yau orientifold compactifications
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• Modular symmetry in magnetized/intersecting D-brane models
• Type IIA Orientifolds on General Supersymmetric Z_N Orbifolds
• Proton decay via dimension-six operators in intersecting D6-brane models
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• Chiral matter wavefunctions in warped compactifications
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• Reheating and Dark Radiation after Fibre Inflation
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• Disk Scattering of Open and Closed Strings (I)
• Type IIA Pati-Salam Flux Vacua
• A D-Brane Landscape on Calabi-Yau Manifolds
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