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INFRARED ANALYSIS OF QUANTUM FIELD THEORIES

MARCO FRASCA

Via Erasmo Gattamelata, 3, 00176 Roma, Italy

https://doi.org/10.1142/S0217751X07036129Cited by:7 (Source: Crossref)

Abstract

We show that for a λϕ⁴ theory having many components, the solution with all equal components in the infrared regime is stable with respect to our expansion given by a recently devised approach to analyze strongly coupled quantum field theory. The analysis is extended to a pure Yang–Mills theory showing how, in this case, the given asymptotic series exists. In this way, many components theories in the infrared regime can be mapped to a single component scalar field theory obtaining their spectrum.

Keywords:

PACS: 11.15.Me, 11.15.-q

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