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Non-perturbative scaling in the scalar theory

Alfio Bonanno

hep-tharXiv:hep-th/0001060

Abstract

A new approach to study the scaling behavior of the scalar theory near the Gaussian fixed point in d-dimensions is presented. For a class of initial data an explicit use of the Green's function of the evolution equation is made. It is thus discussed under which conditions non-polynomial relevant interactions can be generated by the renormalization group flow.

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