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Title: The Odd story of α′-corrections
Authors: Baron, Walter H.
Fernández-Melgarejo, José J.
Marqués, Diego
Nuñez, Carmen A.
Keywords: Flux compactifications
Supergravity Models
Superstrings and Heterotic Strings
Issue Date: Apr-2017
Publisher: Springer Nature
Journal title: Journal of High Energy Physics
Volume: 2017
Issue: 4
Thesis number: 78
Abstract: The α′-deformed frame-like Double Field Theory (DFT) is a T-duality and gauge invariant extension of DFT in which generalized Green-Schwarz transformations provide a gauge principle that fixes the higher-derivative corrections. It includes all the first order α′-corrections of the bosonic and heterotic string low energy effective actions and of the Hohm-Siegel-Zwiebach α′-geometry. Here we gauge this theory and parameterize it in terms of a frame, a two-form, a dilaton, gauge vectors and scalar fields. This leads to a unified framework that extends the previous construction by including all duality constrained interactions in generic (gauged/super)gravity effective field theories in arbitrary number of dimensions, to first order in α′.
Rights: © The Author(s) 2017.
The Journal of High Energy Physics (JHEP) is an open-access journal, APCs completely covered SCOAP3 ( and licensed under CC BY 4.0.
DOI(Published Version): 10.1007/JHEP04(2017)078
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