Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-01-11
JETP Lett. 83 (2006) 172-178
Physics
High Energy Physics
High Energy Physics - Theory
2 Figures, jetpl.cls
Scientific paper
10.1134/S0021364006040096
We study the space of scaling fields in the $Z_N$ symmetric models with the factorized scattering and propose simplest algebraic relations between form factors induced by the action of deformed parafermionic currents. The construction gives a new free field representation for form factors of perturbed Virasoro algebra primary fields, which are parafermionic algebra descendants. We find exact vacuum expectation values of physically important fields and study correlation functions of order and disorder fields in the form factor and CFT perturbation approaches.
Fateev Vladimir A.
Postnikov V. V.
Pugai Y. P.
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