Brane world effective actions for D-branes with fluxes

Abstract

We develop systematic string techniques to study brane world effective actions for models with magnetized (or equivalently intersecting) D-branes. In particular, we derive the dependence on all NS-NS moduli of the kinetic terms of the chiral matter in a generic non-supersymmetric brane configurations with non-commuting open string fluxes. Near a N=1 supersymmetric point the effective action is consistent with a Fayet-Iliopoulos supersymmetry breaking and the normalization of the scalar kinetic terms is nothing else than the Kahler metric. We also discuss, from a stringy perspective, D and F term breaking mechanisms, and how, in this generic set up, the Kahler metric enters in the physical Yukawa couplings.

arXiv comment52 pages, 3 figures; several references added

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• Open & Closed vs. Pure Open String Disk Amplitudes
• Progress in D-brane model building
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• The Hunt for New Physics at the Large Hadron Collider
• Soft SUSY Breaking Terms for Chiral Matter in IIB String Compactifications
• Explaining the Electroweak Scale and Stabilizing Moduli in M Theory
• D terms from D-branes, gauge invariance and moduli stabilization in flux compactifications
• Kahler Potentials of Chiral Matter Fields for Calabi-Yau String Compactifications
• Tri-linear Couplings in an Heterotic Minimal Supersymmetric Standard Model
• TeV Scale Mirage Mediation and Natural Little SUSY Hierarchy
• Realistic Yukawa Couplings through Instantons in Intersecting Brane Worlds
• Non-perturbative SQCD Superpotentials from String Instantons
• Instantons and Holomorphic Couplings in Intersecting D-brane Models
• New D1-D5-P geometries from string amplitudes
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• Flux and Instanton Effects in Local F-theory Models and Hierarchical Fermion Masses
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• String predictions for near future colliders from one-loop scattering amplitudes around D-brane worlds
• Neutralino Dark Matter in Mirage Mediation
• Realistic Yukawa Structures from Orientifold Compactifications
• Instantons in N=2 magnetized D-brane worlds
• Moduli Stabilisation and Applications in IIB String Theory
• Stuckelberg Axions and the Effective Action of Anomalous Abelian Models 2. A SU(3)_C x SU(2)_W x U(1)_Y x U(1)_B model and its signature at the LHC
• Complete Gauge Threshold Corrections for Intersecting Fractional D6-Branes: The Z6 and Z6' Standard Models
• Mirror Mediation
• Proton decay via dimension-six operators in intersecting D6-brane models
• Open string wavefunctions in flux compactifications
• Chiral matter wavefunctions in warped compactifications
• TASI Lectures: Particle Physics from Perturbative and Non-perturbative Effects in D-braneworlds
• A D-Brane Landscape on Calabi-Yau Manifolds
• Kaehler Metrics and Yukawa Couplings in Magnetized Brane Models
• Stringy instanton corrections to N=2 gauge couplings
• Open strings in the system D5/D9
• Intersecting Brane Worlds at One Loop
• Yukawa Corrections from Four-Point Functions in Intersecting D6-Brane Models
• Classical solutions for exotic instantons?
• LHC String Phenomenology
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• Wrapped Magnetized Branes: Two Alternative Descriptions?
• Affleck-Dine Baryogenesis in Type IIB String Models
• Disc amplitudes, picture changing and space-time actions
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• Correlators of arbitrary untwisted operators and excited twist operators for N branes at angles
• Three- and Four-point correlators of excited bosonic twist fields
• On gauge couplings and thresholds in Type I Gepner models and otherwise
• Holomorphic variables in magnetized brane models with continuous Wilson lines
• Two-Point Functions of Chiral Fields at One Loop in Type II
• Unoriented D-brane instantons
• The Green Function for the BFKL Pomeron and the Transition to DGLAP Evolution
• Light stringy states
• Branes and instantons intersecting at angles
• Strings in an arbitrary constant magnetic field with arbitrary constant metric and stringy form factors
• On the D(-1)/D7-brane systems
• Supersymmetric SU(5) GUT with Stabilized Moduli
• The generating function of amplitudes with N twisted and M untwisted states
• Soft masses in superstring models with anomalous U(1) symmetries
• An Inflationary Scenario in Intersecting Brane Models
• One-loop Yukawa Couplings in Local Models
• Revisiting light stringy states in view of the 750 GeV diphoton excess
• More About Branes on a General Magnetized Torus
• Non-perturbative moduli superpotential with positive exponents
• Scattering of twist fields from D-branes and orientifolds
• Noncommutativity from the string perspective: modification of gravity at a mm without mm sized extra dimensions
• Superparticle Signatures: from PAMELA to the LHC
• The Search for a Realistic String Model at LHC
• Canonical quantization of a string describing $N$ branes at angles
• Surface Defects from Fractional Branes -- II
• Nucleon decay in gauge unified models with intersecting D6-branes
• Surface Defects from Fractional Branes -- I
• Yukawa's of light stringy states
• Closed superstring moduli tree-level two-point scattering amplitudes in Type IIB orientifold on $T^6/(Z_2\times Z_2)$
• Production of light stringy states
• Towards a fully stringy computation of Yukawa couplings on non factorized tori and non abelian twist correlators (I): the classical solution and action
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• Non-Factorizable Branes on the Torus
• One-loop and D-instanton corrections to the effective action of open string models
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• (D)-instanton effects in magnetized brane worlds
• The Classical Solution for the Bosonic String in the Presence of Three D-branes Rotated by Arbitrary SO(4) Elements
• D2-brane with RR and NSNS fluxes and its dual M-theory origin
• Black Holes in String Theory