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Finiteness of Ricci flat supersymmetric nonlinear \(\sigma\)-models. (English) Zbl 0597.53070

The paper deals with the problem of super-normalisation of nonlinear \(\sigma\)-models. Using the dimension independence of the background field method and the geometrical properties of Kähler manifolds, the authors show the on-shell finiteness of \(N=4\) models with target space an arbitrary Ricci flat manifold to all orders of perturbation theory. Some comments are made on finiteness of \(N=2\) and \(N=1\) \(\sigma\)-models.
Reviewer: Z.F.Seidov

MSC:

53C80 Applications of global differential geometry to the sciences
81T17 Renormalization group methods applied to problems in quantum field theory
81T60 Supersymmetric field theories in quantum mechanics
Full Text: DOI

References:

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