Abstract
A comparison is made between perturbative calculations of the σ-model dilaton β-function on a general manifold and exact results for the particular case of chiral models.
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Allen, R.W., Jack, I. & Jones, D.R.T. Chiral σ-models and the dilatonβ-function. Z. Phys. C - Particles and Fields 41, 323–326 (1988). https://doi.org/10.1007/BF01566933
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DOI: https://doi.org/10.1007/BF01566933