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The Confining String from the Soft Dilaton Theorem

Enrique Alvarez, Cesar Gomez

hep-tharXiv:hep-th/9907158

Abstract

A candidate for the confining string of gauge theories is constructed via a representation of the ultraviolet divergences of quantum field theory by a closed string dilaton insertion, computed through the soft dilaton theorem. The resulting (critical) confining string is conformally invariant, singles out naturally d=4 dimensions, and can not be used to represent theories with Landau poles.

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