Research PapersNo Access
PROOF OF TRIVIALITY OF λϕ4 THEORY
https://doi.org/10.1142/S0217751X07036427Cited by:11 (Source: Crossref)
Abstract
We show that a recent analysis in the strong coupling limit of the λϕ4 theory proves that this theory is indeed trivial giving in this limit the expansion of a free quantum field theory. We can get in this way the propagator with the renormalization constant and the renormalized mass. As expected the theory in this limit has the same spectrum as a harmonic oscillator. Some comments about triviality of the Yang–Mills theory in the infrared are also given.
PACS: 11.15.Me, 02.60.Lj
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