Single-channel correlators and residue calculus
classification
✦ hep-th
keywords
single-channelcalculusresidueapplicationarbitrarycomputedconformalconstants
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Some simple (namely, single-channel) correlation functions involving an arbitrary number of fields are computed by means of a direct application of the residue calculus, through partial fraction expansions. Examples are presented in minimal models and parafermionic conformal theories. A generic factorized expression is deduced for the corresponding single-channel structure constants.
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