Supersymmetric D-branes on flux backgrounds

Details Supersymmetric D-branes on flux backgrounds Supersymmetric D-branes on flux backgrounds

2007-01-10

arxiv.org/abs/hep-th/0701093v2

Fortsch.Phys.55:771-776,2007

Physics

High Energy Physics

High Energy Physics - Theory

9 pages; contribution to the proceedings of the RTN project `Constituents, Fundamental Forces and Symmetries of the Universe'

Scientific paper

10.1002/prop.200610354

Several aspects concerning the physics of D-branes in Type II flux compactifications preserving minimal N=1 supersymmetry in four dimensions are considered. It is shown how these vacua are completely characterized in terms of properly defined generalized calibrations for D-branes and the relation with Generalized Complex Geometry is discussed. General expressions for superpotentials and D-terms associated with the N=1 four-dimensional description of space-time filling D-branes are presented. The massless spectrum of calibrated D-branes can be characterized in terms of cohomology groups of a differential complex canonically induced on the D-branes by the underlying generalized complex structure.

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