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Babukhadia, L.R.; Scadron, M.D.
The European physical journal. C, Particles and fields, 05/1999, Letnik: 8, Številka: 3Journal Article
We consider techniques (based on an ultraviolet cutoff) used to prove that the pure boson (\(\phi^4)_4\) field theory is trivial and apply them instead to the dynamically generated quark-level linear sigma model. This cutoff approach leads to the conclusion that the latter field theory is in fact nontrivial.
