1 2 D ec 2 00 5 Calibrations , Torsion Classes and Wrapped M-Branes

@inproceedings{Fayyazuddin200812D,
  title={1 2 D ec 2 00 5 Calibrations , Torsion Classes and Wrapped M-Branes},
  author={Ansar Fayyazuddin and Tasneem Zehra Husain},
  year={2008}
}
The present work has two goals. The first is to complete the classification of geometries in terms of torsion classes of M-branes wrapping cycles of a Calabi-Yau. The second goal is to give insight into the physical meaning of the torsion class constraints. We accomplish both tasks by defining new energy minimizing calibrations in M-brane backgrounds. When fluxes are turned on, it is these calibrations that are relevant, rather than those which had previously been defined in the context of… CONTINUE READING

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