QFT's With Action of Degree 3 and Higher and Degeneracy of Tensors

Abstract

In this paper we develop a technique of computation of correlation functions in theories with action being cubic or higher degree form in terms of discriminants of corresponding tensors. These are analogues of formula $\int \exp (iT(x))dx\sim \det T^{-1/2}$ for symmetric tensors of rank two.

arXiv comment14 pages, LaTeX

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