Homogeneous Special Manifolds, Orientifolds and Solvable Coordinates

Details Homogeneous Special Manifolds, Orientifolds and Solvable Coordinates Homogeneous Special Manifolds, Orientifolds and Solvable Coordinates

2004-03-21

arxiv.org/abs/hep-th/0403204v2

Nucl.Phys. B693 (2004) 261-280

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, LaTeX, typos corrected

Scientific paper

10.1016/j.nuclphysb.2004.06.024

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.

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