Microscopic- versus Effective Coupling in N=2 Yang-Mills With Four Flavours
Ivo Sachs, William Weir
Abstract
We determine the instanton corrections to the effective coupling in SU(2), N=2 Yang-Mills theory with four flavours to all orders. Our analysis uses the S(2,Z)-invariant curve and the two instanton contribution obtained earlier to fix the higher order contributions uniquely.
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