Generalized metric formulation of double field theory
Author(s)Hohm, Olaf; Hull, Chris; Zwiebach, Barton
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The generalized metric is a T-duality covariant symmetric matrix constructed from the metric and two-form gauge field and arises in generalized geometry. We view it here as a metric on the doubled spacetime and use it to give a simple formulation with manifest T-duality of the double field theory that describes the massless sector of closed strings. The gauge transformations are written in terms of a generalized Lie derivative whose commutator algebra is defined by a double field theory extension of the Courant bracket.
DepartmentMassachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal of High Energy Physics
Springer Berlin / Heidelberg
Hohm, Olaf, Chris Hull, and Barton Zwiebach. “Generalized Metric Formulation of Double Field Theory.” Journal of High Energy Physics 2010.8 (2010) : 1-35.
Author's final manuscript