Conformal Correlation functions in four dimensions from Quaternionic Lauricella system
Abstract
Correlation functions in Euclidean conformal field theories in four dimensions are expressed as representations of the conformal group SL(2,), being the field of quaternions, on the configuration space of points. The representations are obtained in terms of Lauricella system for quaternions. It generalizes the two-dimensional case, wherein the N-point correlation function is expressed in terms of solutions of Lauricella system on the configuration space of N points on the complex plane, furnishing representation of the conformal group SL(2,).
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