Abstract
A new finite N = 2 supersymmetric sigma model with higher derivatives in four dimensions is formulated. The action of the model is determined in N = 2, d = 4 superspace in terms of N = 2 chiral real superfields. The Lagrangian of the theory under consideration is evaluated in N = 1 super-space and in components. By the methods of N = 2 superfield perturbation theory, it is shown that the constructed N = 2 model is ultraviolet-finite in all orders of quantum perturbation theory in 4-dimensional space-time.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 85–92, April, 1990.
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Ketov, S.V. A new finite N = 2 supersymmetric sigma model with higher derivatives in four dimensions. Soviet Physics Journal 33, 355–361 (1990). https://doi.org/10.1007/BF00894221
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DOI: https://doi.org/10.1007/BF00894221