Correlation functions of descendants in the scaling Lee--Yang model
Abstract
Correlation functions of the composite field TT in the scaling Lee--Yang model are studied. Using the analytic expression for form factors of this operator recently proposed by Delfino and Niccoli DN, we show numerically that the constraints on the TT expectation values obtained in AZVEVTT and the additional requirement of asymptotic behavior lead to a perfect agreement with the ultraviolet asymptotic predicted by the conformal perturbation theory.
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