Compactifications on twisted tori with fluxes and free differential algebras
arXiv:hep-th/0503122 · doi:10.1016/j.physletb.2005.04.005
Abstract
We describe free differential algebras for non-abelian one and two form gauge potentials in four dimensions deriving the integrability conditions for the corresponding curvatures. We show that a realization of these algebras occurs in M-theory compactifications on twisted tori with constant four-form flux, due to the presence of antisymmetric tensor fields in the reduced theory.
Latex, 9 pages. v2: section 5 expanded, typos corrected
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