Abstract
We review the background field method for general N=2 super Yang-Mills theories formulated in the N=2 harmonic superspace. The covariant harmonic supergraph technique is then applied to rigorously prove the N=2 nonrenormalization theorem as well as to compute the holomorphic low-energy action for the N=2 SU(2) pure super Yang-Mills theory and the leading non-holomorphic low-energy correction for N=4 SU(2) super Yang-Mills theory.
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© 1999 Springer-Verlag
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Buchbinder, I., Kuzenko, S., Ovrut, B. (1999). Covariant harmonic supergraphity for N=2 super Yang-Mills theories. In: Wess, J., Ivanov, E.A. (eds) Supersymmetries and Quantum Symmetries. Lecture Notes in Physics, vol 524. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0104584
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DOI: https://doi.org/10.1007/BFb0104584
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