Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-06-28
JETP Lett. 74 (2001) 569-572; Pisma Zh.Eksp.Teor.Fiz. 74 (2001) 645-648
Physics
High Energy Physics
High Energy Physics - Theory
Scientific paper
10.1134/1.1455062
We study the Toda field theory with finite Lie algebras using an extension of the Goulian-Li technique. In this way, we show that, after integrating over the zero mode in the correlation functions of the exponential fields, the resulting correlation function resembles that of a free theory. Furthermore, it is shown that for some ratios of the charges of the exponential fields the four-point correlation functions which contain a degenerate field satisfy the Riemann ordinary differential equation. Using this fact and the crossing symmetry, we derive a set of functional equations for the structure constants of the A_2 Toda field theory.
Apikyan Samwel A.
Efthimiou Costas J.
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