O(D,D)-covariant two-loop β-functions and Poisson-Lie T-duality
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DOI: 10.1007/jhep10(2021)210
Abstract: Abstract We show that the one- and two-loop β-functions of the closed, bosonic string can be written in a manifestly O(D,D)-covariant form. Based on this result, we prove that1) Poisson-Lie symmetric σ-models are two-loop renormalisable… read more here.
Keywords: loop functions; poisson lie; lie duality; two loop ... See more keywords