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hep-th2024
Scale and Conformal Invariance in Heterotic -Models
Georgios Papadopoulos
We demonstrate that all perturbative scale invariant heterotic sigma models with a compact target space are conformally invariant. The proof, presented in detail for up to an…
hep-th2024★ 2 cited
Scale and Conformal Invariance in 2d Sigma Models, with an Application to N=4 Supersymmetry
Georgios Papadopoulos, Edward Witten
By adapting previously known arguments concerning Ricci flow and the c-theorem, we give a direct proof that in a two-dimensional sigma-model with compact target space, scale invari…