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Journal Article

Intersecting 6-branes from new 7-manifolds with G(2) holonomy

MPS-Authors

Behrndt,  Klaus
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Citation

Behrndt, K., Dall Agata, G., Lüst, D., & Mahapatra, S. (2002). Intersecting 6-branes from new 7-manifolds with G(2) holonomy. Journal of High Energy Physics, 2002(8): 027. Retrieved from http://www.iop.org/EJ/article/1126-6708/2002/08/027/jhep082002027.pdf.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-53A0-E
Abstract
We discuss a new family of metrics of 7-manifolds with G(2) holonomy, which are R-3 bundles over a quaternionic space. The metrics depend on five parameters and have two abelian isometries. Certain singularities of the G(2) manifolds are related to fixed points of these isometries; there are two combinations of Killing vectors that possess co-dimension four fixed points which yield upon compactification only intersecting D6-branes if one also identifies two parameters. Two of the remaining parameters are quantized and we argue that they are related to the number of D6-branes, which appear in three stacks. We perform explicitly the reduction to the type IIA model.