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Background independent action for double field theory

Author(s)
Hohm, Olaf; Hull, Chris; Zwiebach, Barton
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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.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/63176
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
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
ISSN
1029-8479

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