Linear Sigma Models for Open Strings
arXiv:hep-th/0109069 · doi:10.1088/1126-6708/2002/07/002
Abstract
We formulate and study a class of massive N=2 supersymmetric gauge field theories coupled to boundary degrees of freedom on the strip. For some values of the parameters, the infrared limits of these theories can be interpreted as open string sigma models describing D-branes in large-radius Calabi-Yau compactifications. For other values of the parameters, these theories flow to CFTs describing branes in more exotic, non-geometric phases of the Calabi-Yau moduli space such as the Landau-Ginzburg orbifold phase. Some simple properties of the branes (like large radius monodromies and spectra of worldvolume excitations) can be computed in our model. We also provide simple worldsheet models of the transitions which occur at loci of marginal stability, and of Higgs-Coulomb transitions.
51 pages, 2 figures; very minor corrections, refs added
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- Intersecting D3-branes and Holography
- Generalizations of the AdS/CFT correspondence
- F-term equations near Gepner points
- Landau-Ginzburg Realization of Open String TFT
- D-branes from Matrix Factorizations
- D-branes on Calabi-Yau Manifolds and Superpotentials
- Tachyon Condensation on the Elliptic Curve
- ADHM is Tachyon Condensation
- N=2 Liouville Theory with Boundary
- Large N duality, lagrangian cycles, and algebraic knots
- Effective superpotentials for B-branes in Landau-Ginzburg models
- Evolution of D-branes Under Closed String Tachyon Condensation