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arXiv · 1702.05489

The Odd story of $α'$-corrections

Walter H. Baron·Jose J. Fernandez-Melgarejo·Diego Marques·Carmen Nunez
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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 $α'$.

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Walter H. Baron, Jose J. Fernandez-Melgarejo, Diego Marques, Carmen Nunez. 2017-02-17. The Odd story of $α'$-corrections. https://doi.org/10.1007/jhep04(2017)078

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