Using the most general higher-derivative field redefinition for the closed spacetime manifolds, we show that the tree-level couplings of the metric, *B*-field and dilaton at orders *\alpha'^2* and *\alpha'^3* that have been recently found by the T-duality, can be written in a particular scheme in terms of the torsional Riemann... Show more

November 2, 2022

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Higher-derivative couplings and torsional Riemann curvature

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