Single-channel correlators and residue calculus

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چکیده

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ar X iv : h ep - t h / 01 05 31 7 v 2 4 A ug 2 00 1 Single - channel correlators and residue calculus

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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ar X iv : h ep - t h / 01 05 31 7 v 1 3 1 M ay 2 00 1 Single - channel correlators and residue calculus

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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ژورنال

عنوان ژورنال: Journal of Physics A: Mathematical and General

سال: 2001

ISSN: 0305-4470,1361-6447

DOI: 10.1088/0305-4470/34/47/318