Homogeneous Special Manifolds, Orientifolds and Solvable Coordinates
arXiv:hep-th/0403204 · doi:10.1016/j.nuclphysb.2004.06.024
Abstract
We discuss some geometrical properties of the underlying N=2 geometry which encompasses some low--energy aspects of N=1 orientifolds as well as four dimensional N=2 Lagrangians including bulk and open string moduli.In the former case we illustrate how properly defined involutions allow to define N=1 Kaehler subspaces of special quaternionic manifolds. In the latter case we show that the full shift symmetry of the brane coordinates, which is abelian in the rigid limit, is partially distorted by bulk fields to a nilpotent algebra.
24 pages, LaTeX, typos corrected
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- Constraints on modular inflation in supergravity and string theory
- Non-Perturbative Superpotentials in F-theory and String Duality
- Counting fermionic zero modes on M5 with fluxes
- Constructing de Sitter vacua in no-scale string models without uplifting
- Systematics of type IIB moduli stabilisation with odd axions
- Tits-Satake projections of homogeneous special geometries
- No-scale supergravity from higher dimensions
- Scalar geometry and masses in Calabi-Yau string models
- Early Universe Cosmology, Effective Supergravity, and Invariants of Algebraic Forms