D-brane Deconstructions in IIB Orientifolds

Abstract

With model building applications in mind, we collect and develop basic techniques to analyze the landscape of D7-branes in type IIB compact Calabi-Yau orientifolds, in three different pictures: F-theory, the D7 worldvolume theory and D9-anti-D9 tachyon condensation. A significant complication is that consistent D7-branes in the presence of O7^- planes are generically singular, with singularities locally modeled by the Whitney Umbrella. This invalidates the standard formulae for charges, moduli space and flux lattice dimensions. We infer the correct formulae by comparison to F-theory and derive them independently and more generally from the tachyon picture, and relate these numbers to the closed string massless spectrum of the orientifold compactification in an interesting way. We furthermore give concrete recipes to explicitly and systematically construct nontrivial D-brane worldvolume flux vacua in arbitrary Calabi-Yau orientifolds, illustrate how to read off D-brane flux content, enhanced gauge groups and charged matter spectra from tachyon matrices, and demonstrate how brane recombination in general leads to flux creation, as required by charge conservation and by equivalence of geometric and gauge theory moduli spaces.

49 pages, v2: two references added

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Cited by in corpus (112)

• Lectures on F-theory compactifications and model building
• GUTs in Type IIB Orientifold Compactifications
• On Abelian Gauge Symmetries and Proton Decay in Global F-theory GUTs
• D-Branes at del Pezzo Singularities: Global Embedding and Moduli Stabilisation
• Towards Universal Axion Inflation and Reheating in String Theory
• G_4 flux, chiral matter and singularity resolution in F-theory compactifications
• G-flux in F-theory and algebraic cycles
• F-Theory GUT Vacua on Compact Calabi-Yau Fourfolds
• Building an explicit de Sitter
• Magnetized E3-brane instantons in F-theory
• Higgs Bundles and UV Completion in F-Theory
• Towards Realistic String Vacua From Branes At Singularities
• Massive Abelian Gauge Symmetries and Fluxes in F-theory
• The Tadpole Problem
• Moduli Stabilisation for Chiral Global Models
• Discrete Gauge Symmetries by Higgsing in four-dimensional F-Theory Compactifications
• F-theory uplifts and GUTs
• New F-theory lifts
• Control issues of KKLT
• New F-theory lifts II: Permutation orientifolds and enhanced singularities
• D7-Brane Moduli Space in Axion Monodromy and Fluxbrane Inflation
• D3/D7 Branes at Singularities: Constraints from Global Embedding and Moduli Stabilisation
• On Instanton Effects in F-theory
• Toric K3-Fibred Calabi-Yau Manifolds with del Pezzo Divisors for String Compactifications
• On α' corrections in N=1 F-theory compactifications
• F-theory on singular spaces
• Gauge Fluxes in F-theory and Type IIB Orientifolds
• New Orientifold Weak Coupling Limits in F-theory
• Four-modulus "Swiss Cheese" chiral models
• On Flux Quantization in F-Theory
• Conifold Vacua with Small Flux Superpotential
• The fate of U(1)'s at strong coupling in F-theory
• Global Orientifolded Quivers with Inflation
• F-theory and 2d (0,2) Theories
• Axion Landscape and Natural Inflation
• The Standard Model Quiver in de Sitter String Compactifications
• Structure in 6D and 4D N=1 supergravity theories from F-theory
• The LVS Parametric Tadpole Constraint
• On de Sitter String Vacua from Anti-D3-Branes in the Large Volume Scenario
• A Note on Local GUT Models in F-Theory
• LVS de Sitter Vacua are probably in the Swampland
• Small resolutions of SU(5)-models in F-theory
• Note on moduli stabilization, supersymmetry breaking and axiverse
• Hypercharge flux in F-theory and the stable Sen limit
• The Geometry of D-Brane Superpotentials
• A Note on Poly-Instanton Effects in Type IIB Orientifolds on Calabi-Yau Threefolds
• Multiple Fibrations in Calabi-Yau Geometry and String Dualities
• A landscape of orientifold vacua
• Chern-Simons EM-flation
• How many fluxes fit in an EFT?
• Dynamic SU(2) Structure from Seven-branes
• TASI lectures on complex structures
• The Generalized Green-Schwarz Mechanism for Type IIB Orientifolds with D3- and D7-Branes
• On Flux Quantization in F-Theory II: Unitary and Symplectic Gauge Groups
• An Algorithm to Compute the Topological Euler Characteristic, Chern-Schwartz-MacPherson Class and Segre Class of Projective Varieties
• Topological Constraints in the LARGE-Volume Scenario
• Comments on Orientifolds without Vector Structure
• Tate Form and Weak Coupling Limits in F-theory
• Searching for the Standard Model in the String Landscape : SUSY GUTs
• On de Sitter Spacetime and String Theory
• A Stringy Mechanism for A Small Cosmological Constant - Multi-Moduli Cases -
• Fluxes, Vacua, and Tadpoles meet Landau-Ginzburg and Fermat
• De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications
• Discrete gauge symmetries from (closed string) tachyon condensation
• A Parallel World in the Dark
• The Geometry of the SU(2)$\times$ G${}_2$-model
• Chern class identities from tadpole matching in type IIB and F-theory
• Moduli stabilization in type IIB orientifolds at $h^{2,1}=50$
• New 3d $\mathcal{N}=2$ SCFT's with $N^{3/2}$ scaling
• Euler Characteristics of Crepant Resolutions of Weierstrass Models
• F-Theory, GUTs and Chiral Matter
• Genus zero Gopakumar-Vafa invariants from open strings
• Abelian Gauge Fluxes and Local Models in F-Theory
• Four Kahler Moduli Stabilisation in type IIB Orientifolds with K3-fibred Calabi-Yau threefold compactification
• The Gravitational Sector of 2d (0,2) F-theory Vacua
• The Geometry of SO(3), SO(5), and SO(6) models
• Non-simply-laced Lie algebras via F theory strings
• Black Hole Meiosis
• The Geometry of G${}_2$, Spin(7), and Spin(8)-models
• Higgs Branches of rank-0 5d theories from M-theory on $(A_j,A_l)$ and $(A_k,D_n)$ singularities
• Moduli stabilization with non-geometric fluxes -- comments on tadpole contributions and de-Sitter vacua
• On The Structure Of The Chan-Paton Factors For D-Branes In Type II Orientifolds
• Two-Center Black Holes, Qubits and Elliptic Curves
• D7-Brane Moduli vs. F-Theory Cycles in Elliptically Fibred Threefolds
• Towards a complete mass spectrum of type-IIB flux vacua at large complex structure
• On ${\alpha }^{\prime }$-effects from $D$-branes in $4d\mathcal{N}=1$
• On K3-fibred LARGE Volume Scenario with de Sitter vacua from anti-D3-branes
• Universal Class of Type-IIB Flux Vacua with Analytic Mass Spectrum
• $E_6$ Yukawa couplings in F-theory as D-brane instanton effects
• Chiral global embedding of Fibre Inflation with $\overline{D3}$ uplift
• Three-form periods on Calabi-Yau fourfolds: Toric hypersurfaces and F-theory applications
• Weierstrass meets Enriques
• Classifying divisor topologies for string phenomenology
• Statistical Distribution of the Vacuum Energy Density in Racetrack Kähler Uplift Models in String Theory
• D7 Moduli Stabilization: The Tadpole Menace
• 48 Crepant Paths to $\text{SU}(2)\times \text{SU}(3)$
• Closed tachyon solitons in type II string theory
• Type IIB Flux Vacua at Large Complex Structure
• A Direct Algorithm to Compute the Topological Euler Characteristic and Chern-Schwartz-MacPherson Class of Projective Complete Intersection Varieties
• Orientiholes
• Algebraic description of G-flux in F-theory: new techniques for F-theory phenomenology
• Computing characteristic classes of subschemes of smooth toric varieties
• Brane Curvature Corrections to the $\mathcal{N}=1$ Type II/F-theory Effective Action
• Orientifolds and D-branes in N=2 gauged linear sigma models
• De Sitter Vacua from a D-term Generated Racetrack Uplift
• Probability of Vacuum Stability in Type IIB Multi-Kähler Moduli Models
• The suspended pinch point and SU($2$)$\times$U($1$) gauge theories
• On tadpole relations via Verdier specialization
• On KKLT/CFT and LVS/CFT Dualities
• On the Sen limit squared
• Orientifold limits of singular $F$-theory vacua
• A Database of Calabi-Yau Orientifolds and the Size of D3-Tadpoles