Background independent action for double field theory
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Zwiebach1.pdf
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Author(s)
Hohm, Olaf
Hull, Chris
Zwiebach, Barton
Date Issued
July 2010
Journal
Journal of High Energy Physics
Publisher
Springer Berlin / Heidelberg
Citation
Hohm, Olaf, Chris Hull, and Barton Zwiebach. “Background Independent Action for Double Field Theory.” Journal of High Energy Physics 2010.7 (2010) : 1-47.
Version
Author's final manuscript
Abstract
Double field theory describes a massless subsector of closed string theory with both momentum and winding excitations. The gauge algebra is governed by the Courant bracket in certain subsectors of this double field theory. We construct the associated nonlinear background-independent action that is T-duality invariant and realizes the Courant gauge algebra. The action is the sum of a standard action for gravity, antisymmetric tensor, and dilaton fields written with ordinary derivatives, a similar action for dual fields with dual derivatives, and a mixed term that is needed for gauge invariance.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1007/jhep07(2010)016
