An Orientifold with Fluxes and Branes via T-duality

Abstract

String compactifications with non-abelian gauge fields localized on D-branes, with background NSNS and RR 3-form fluxes, and with non-trivial warp factors, can naturally exist within T-dual versions of type I string theory. We develop a systematic procedure to construct the effective bosonic Lagrangian of type I T-dualized along a six-torus, including the coupling to gauge multiplets on D3-branes and the modifications due to 3-form fluxes. Looking for solutions to the ten-dimensional equations of motion, we find warped products of Minkowski space and Ricci-flat internal manifolds. Once the warp factor is neglected, the resulting no-scale scalar potential of the effective four-dimensional theory combines those known for 3-form fluxes and for internal Yang-Mills fields and stabilizes many of the moduli. We perform an explicit comparison of our expressions to those obtained from N=4 gauged supergravity and find agreement. We also comment on the possibility to include D9-branes with world-volume gauge fluxes in the background with 3-form fluxes.

61 pages, v2: typos corrected, references added

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Cited by in corpus (37)

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• The effective action of D7-branes in N=1 Calabi-Yau orientifolds
• Loop Corrections to Volume Moduli and Inflation in String Theory
• Soft Supersymmetry Breaking in Calabi-Yau Orientifolds with D-branes and Fluxes
• Flux-induced SUSY-breaking soft terms
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• Building MSSM Flux Vacua
• Gauged N=4 supergravities
• Enumerating Flux Vacua with Enhanced Symmetries
• Gauged Supergravities
• Realistic D-Brane Models on Warped Throats: Fluxes, Hierarchies and Moduli Stabilization
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• New D=4 gauged supergravities from N=4 orientifolds with fluxes
• N=1 geometries for M-theory and type IIA strings with fluxes
• The effective action of type II Calabi-Yau orientifolds
• Type-IIA flux compactifications and N=4 gauged supergravities
• The Scherk-Schwarz mechanism as a flux compactification with internal torsion
• U-dual fluxes and Generalized Geometry
• Maximal Supergravity from IIB Flux Compactifications
• Unusual gauged supergravities from type IIA and type IIB orientifolds
• Update of D3/D7-Brane Inflation on K3 x T^2/Z_2
• Volume Stabilization via ${\alpha }^{\prime }$ Corrections in Type IIB Theory with Fluxes
• The effective action of D-branes in Calabi-Yau orientifold compactifications
• Calabi-Yau Duals of Torus Orientifolds
• Superstring Orientifolds with Torsion: O5 Orientifolds of Torus Fibrations and their Massless Spectra
• Gauged Supergravities in Various Spacetime Dimensions
• Enhanced Symmetries in Multiparameter Flux Vacua
• The general pattern of Kac Moody extensions in supergravity and the issue of cosmic billiards
• Cosmic Billiards with Painted Walls in Non-Maximal Supergravities: a worked out example
• Superpotentials in IIA compactifications with general fluxes
• Geometric Transitions on non-Kaehler Manifolds
• No-scale supergravity from higher dimensions
• Brane/Flux Interactions in Orientifolds
• N=4 supergravity for Type IIB on T^6/Z_2 in presence of fluxes