English

Supersymmetric Intersecting D6-branes and Fluxes in Massive Type IIA String Theory

High Energy Physics - Theory 2009-09-17 v2 High Energy Physics - Phenomenology

Abstract

We study N=1 supersymmetric four-dimensional solutions of massive Type IIA supergravity with intersecting D6-branes in the presence NS-NS three-form fluxes. We derive N=1 supersymmetry conditions for the D6-brane and flux configurations in an internal manifold X6X_6 and derive the intrinsic torsion (or SU(3)-structure) related to the fluxes. In the absence of fluxes, N=1 supersymmetry implies that D6-branes wrap supersymmetric three-cycles of X6X_6 that intersect at angles of SU(3) rotations and the geometry is deformed by SU(3)-structures. The presence of fluxes breaks the SU(3) structures to SU(2) and the D6-branes intersect at angles of SU(2) rotations; non-zero mass parameter corresponds to D8-branes which are orthogonal to the common cycle of all D6-branes. The anomaly inflow indicates that the gauge theory on intersecting (massive) D6-branes is not chiral.

Keywords

Cite

@article{arxiv.hep-th/0308045,
  title  = {Supersymmetric Intersecting D6-branes and Fluxes in Massive Type IIA String Theory},
  author = {Klaus Behrndt and Mirjam Cvetic},
  journal= {arXiv preprint arXiv:hep-th/0308045},
  year   = {2009}
}

Comments

31 pages, Latex, small changes, add refs