Abstract
The O(d, d) invariant worldsheet theory for bosonic string theory with d abelian isometries is employed to compute the beta functions and Weyl anomaly at one-loop. We show that vanishing of the Weyl anomaly coefficients implies the equations of motion of the Maharana-Schwarz action. We give a self-contained introduction into the required techniques, including beta functions, the Weyl anomaly for two-dimensional sigma models and the background field method. This sets the stage for a sequel to this paper on generalizations to higher loops and α′ corrections.
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Bonezzi, R., Codina, T. & Hohm, O. Beta functions for the duality-invariant sigma model. J. High Energ. Phys. 2021, 192 (2021). https://doi.org/10.1007/JHEP10(2021)192
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DOI: https://doi.org/10.1007/JHEP10(2021)192