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The first alpha'-correction to homogeneous Yang-Baxter deformations using O(d, d)

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BORSATO Riccardo LÓPEZ Alejandro Vilar WULFF Linus

Year of publication 2020
Type Article in Periodical
Magazine / Source Journal of High Energy Physics
MU Faculty or unit

Faculty of Science

Keywords Bosonic Strings; String Duality
Description We use the O(d, d)-covariant formulation of supergravity familiar from Double Field Theory to find the first alpha'-correction to (unimodular) homogeneous Yang-Baxter (YB) deformations of the bosonic string. A special case of this result gives the alpha'-correction to TsT transformations. In a suitable scheme the correction comes entirely from an induced anomalous double Lorentz transformation, which is needed to make the two vielbeins obtained upon the YB deformation equal. This should hold more generally, in particular for abelian and non-abelian T-duality, as we discuss.
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